231402012122 has 8 divisors (see below), whose sum is σ = 367520842836. Its totient is φ = 108895064512.

The previous prime is 231402012113. The next prime is 231402012133. The reversal of 231402012122 is 221210204132.

It can be written as a sum of positive squares in 2 ways, for example, as 231246536161 + 155475961 = 480881^2 + 12469^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×231402012122² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231402012094 and 231402012103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3402970733 + ... + 3402970800.

Almost surely, 2^231402012122 is an apocalyptic number.

231402012122 is a deficient number, since it is larger than the sum of its proper divisors (136118830714).

231402012122 is a wasteful number, since it uses less digits than its factorization.

231402012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6805941552.

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

Adding to 231402012122 its reverse (221210204132), we get a palindrome (452612216254).

The spelling of 231402012122 in words is "two hundred thirty-one billion, four hundred two million, twelve thousand, one hundred twenty-two".