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122112102112212 = 22319911587902739
BaseRepresentation
bin11011110000111101110000…
…011110000001101111010100
3121000100210200100112020010110
4123300331300132001233110
5112001141041120042322
61111413305243123020
734502210504004552
oct3360756036015724
9530323610466113
10122112102112212
11359aa4a7206123
1211842187b13470
13531a177838304
142222385d7cbd2
15e1b63905dc0c
hex6f0f70781bd4

122112102112212 has 48 divisors (see below), whose sum is σ = 300253687372800. Its totient is φ = 38519387393760.

The previous prime is 122112102112207. The next prime is 122112102112279. The reversal of 122112102112212 is 212211201211221.

It is a super-2 number, since 2×1221121021122122 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293743662 + ... + 294159077.

It is an arithmetic number, because the mean of its divisors is an integer number (6255285153600).

Almost surely, 2122112102112212 is an apocalyptic number.

122112102112212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122112102112212 is an abundant number, since it is smaller than the sum of its proper divisors (178141585260588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122112102112212 is a wasteful number, since it uses less digits than its factorization.

122112102112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587903676 (or 587903674 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 122112102112212 its reverse (212211201211221), we get a palindrome (334323303323433).

Subtracting 122112102112212 from its reverse (212211201211221), we obtain a palindrome (90099099099009).

The spelling of 122112102112212 in words is "one hundred twenty-two trillion, one hundred twelve billion, one hundred two million, one hundred twelve thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 911 1822 2733 3644 5466 10932 17309 34618 51927 69236 103854 207708 587902739 1175805478 1763708217 2351610956 3527416434 7054832868 11170152041 22340304082 33510456123 44680608164 67020912246 134041824492 535579395229 1071158790458 1606738185687 2142317580916 3213476371374 6426952742748 10176008509351 20352017018702 30528025528053 40704034037404 61056051056106 122112102112212