402212201123 has 32 divisors (see below), whose sum is σ = 440100864000. Its totient is φ = 366173753760.

The previous prime is 402212201113. The next prime is 402212201179. The reversal of 402212201123 is 321102212204.

It is a cyclic number.

It is not a de Polignac number, because 402212201123 - 2⁴ = 402212201107 is a prime.

It is a super-2 number, since 2×402212201123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402212201095 and 402212201104.

It is not an unprimeable number, because it can be changed into a prime (402212201113) 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, 88454336 + ... + 88458882.

It is an arithmetic number, because the mean of its divisors is an integer number (13753152000).

Almost surely, 2^402212201123 is an apocalyptic number.

402212201123 is a deficient number, since it is larger than the sum of its proper divisors (37888662877).

402212201123 is a wasteful number, since it uses less digits than its factorization.

402212201123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5615.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 402212201123 its reverse (321102212204), we get a palindrome (723314413327).

The spelling of 402212201123 in words is "four hundred two billion, two hundred twelve million, two hundred one thousand, one hundred twenty-three".