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122021102202212 = 22709110938796913
BaseRepresentation
bin11011101111101001000000…
…011100111010110101100100
3121000001002210102010211100102
4123233221000130322311210
5111443143204130432322
61111303415343203232
734462506443353523
oct3357510034726544
9530032712124312
10122021102202212
113597494a122934
12118286102a6518
13531170480ab15
14221bbd23584ba
15e190b001c792
hex6efa4073ad64

122021102202212 has 24 divisors (see below), whose sum is σ = 214030935463800. Its totient is φ = 60869561550336.

The previous prime is 122021102202191. The next prime is 122021102202227. The reversal of 122021102202212 is 212202201120221.

It can be written as a sum of positive squares in 4 ways, for example, as 10251676926976 + 111769425275236 = 3201824^2 + 10572106^2 .

It is a super-2 number, since 2×1220211022022122 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16253333 + ... + 22543580.

It is an arithmetic number, because the mean of its divisors is an integer number (8917955644325).

Almost surely, 2122021102202212 is an apocalyptic number.

It is an amenable number.

122021102202212 is a deficient number, since it is larger than the sum of its proper divisors (92009833261588).

122021102202212 is a wasteful number, since it uses less digits than its factorization.

122021102202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38798735 (or 38798733 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122021102202212 its reverse (212202201120221), we get a palindrome (334223303322433).

The spelling of 122021102202212 in words is "one hundred twenty-two trillion, twenty-one billion, one hundred two million, two hundred two thousand, two hundred twelve".

Divisors: 1 2 4 709 1109 1418 2218 2836 4436 786281 1572562 3145124 38796913 77593826 155187652 27507011317 43025776517 55014022634 86051553034 110028045268 172103106068 30505275550553 61010551101106 122021102202212