402200000121 has 32 divisors (see below), whose sum is σ = 591274506240. Its totient is φ = 242052585984.

The previous prime is 402200000107. The next prime is 402200000161. The reversal of 402200000121 is 121000002204.

It is not a de Polignac number, because 402200000121 - 2¹⁴ = 402199983737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402200000097 and 402200000106.

It is not an unprimeable number, because it can be changed into a prime (402200000161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 238456 + ... + 928041.

It is an arithmetic number, because the mean of its divisors is an integer number (18477328320).

Almost surely, 2^402200000121 is an apocalyptic number.

It is an amenable number.

402200000121 is a deficient number, since it is larger than the sum of its proper divisors (189074506119).

402200000121 is a wasteful number, since it uses less digits than its factorization.

402200000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166805.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 402200000121 its reverse (121000002204), we get a palindrome (523200002325).

The spelling of 402200000121 in words is "four hundred two billion, two hundred million, one hundred twenty-one", and thus it is an aban number.