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122022002131 = 53243439659
BaseRepresentation
bin111000110100100010…
…0111111110111010011
3102122221220220221222021
41301221010333313103
53444400113032011
6132020042552311
711546550622231
oct1615104776723
9378856827867
10122022002131
114782726a267
121b794b08697
13b678096233
145c97acb951
153292762471
hex1c6913fdd3

122022002131 has 6 divisors (see below), whose sum is σ = 124367746580. Its totient is φ = 119719697448.

The previous prime is 122022002119. The next prime is 122022002173. The reversal of 122022002131 is 131200220221.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-122022002131 is a prime.

It is a super-2 number, since 2×1220220021312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122022002191) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21717021 + ... + 21722638.

Almost surely, 2122022002131 is an apocalyptic number.

122022002131 is a deficient number, since it is larger than the sum of its proper divisors (2345744449).

122022002131 is an frugal number, since it uses more digits than its factorization.

122022002131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43439765 (or 43439712 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 122022002131 its reverse (131200220221), we get a palindrome (253222222352).

The spelling of 122022002131 in words is "one hundred twenty-two billion, twenty-two million, two thousand, one hundred thirty-one".

Divisors: 1 53 2809 43439659 2302301927 122022002131