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122112122202 = 23271117867631
BaseRepresentation
bin111000110111001110…
…0110001110101011010
3102200012012111112110200
41301232130301311122
54000041200402302
6132033022323030
711552023625040
oct1615634616532
9380165445420
10122112122202
1147873122864
121b7bb129476
13b69095aa15
145ca5a6a390
15329a61481c
hex1c6e731d5a

122112122202 has 48 divisors (see below), whose sum is σ = 302643923712. Its totient is φ = 34857902880.

The previous prime is 122112122117. The next prime is 122112122269. The reversal of 122112122202 is 202221211221.

It is a happy number.

It is a super-2 number, since 2×1221121222022 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 293074 + ... + 574557.

It is an arithmetic number, because the mean of its divisors is an integer number (6305081744).

Almost surely, 2122112122202 is an apocalyptic number.

122112122202 is an abundant number, since it is smaller than the sum of its proper divisors (180531801510).

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

122112122202 is a wasteful number, since it uses less digits than its factorization.

122112122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868763 (or 868760 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122112122202 its reverse (202221211221), we get a palindrome (324333333423).

The spelling of 122112122202 in words is "one hundred twenty-two billion, one hundred twelve million, one hundred twenty-two thousand, two hundred two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 1117 2234 3351 6702 7819 10053 15638 20106 23457 46914 70371 140742 867631 1735262 2602893 5205786 6073417 7808679 12146834 15617358 18220251 36440502 54660753 109321506 969143827 1938287654 2907431481 5814862962 6784006789 8722294443 13568013578 17444588886 20352020367 40704040734 61056061101 122112122202