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122331212321012 = 228313125903108587
BaseRepresentation
bin11011110100001001110100…
…011101001001000011110100
3121001010202020112001002210222
4123310021310131021003310
5112013233310323233022
61112102103315233512
734524065324026202
oct3364116435110364
9531122215032728
10122331212321012
1135a84415207012
12118787375a8898
135334a260a1336
14222cc100c6072
15e221b008c242
hex6f42747490f4

122331212321012 has 48 divisors (see below), whose sum is σ = 218323217452032. Its totient is φ = 59964516275040.

The previous prime is 122331212321011. The next prime is 122331212321053. The reversal of 122331212321012 is 210123212133221.

It is a super-2 number, since 2×1223312123210122 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122331212321011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1126518983 + ... + 1126627569.

It is an arithmetic number, because the mean of its divisors is an integer number (4548400363584).

Almost surely, 2122331212321012 is an apocalyptic number.

It is an amenable number.

122331212321012 is a deficient number, since it is larger than the sum of its proper divisors (95992005131020).

122331212321012 is a wasteful number, since it uses less digits than its factorization.

122331212321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134708 (or 134706 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 122331212321012 its reverse (210123212133221), we get a palindrome (332454424454233).

The spelling of 122331212321012 in words is "one hundred twenty-two trillion, three hundred thirty-one billion, two hundred twelve million, three hundred twenty-one thousand, twelve".

Divisors: 1 2 4 83 131 166 262 332 524 10873 21746 25903 43492 51806 103612 108587 217174 434348 2149949 3393293 4299898 6786586 8599796 9012721 13573172 14224897 18025442 28449794 36050884 56899588 281643319 563286638 1126573276 1180666451 2361332902 2812729061 4722665804 5625458122 11250916244 233456512063 368467506991 466913024126 736935013982 933826048252 1473870027964 30582803080253 61165606160506 122331212321012