312202002143022 has 64 divisors (see below), whose sum is σ = 635183635270464. Its totient is φ = 102273688535040.

The previous prime is 312202002142999. The next prime is 312202002143069. The reversal of 312202002143022 is 220341200202213.

It is a super-2 number, since 2×312202002143022² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312202002142983 and 312202002143001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2054736238 + ... + 2054888174.

It is an arithmetic number, because the mean of its divisors is an integer number (9924744301101).

Almost surely, 2^{312202002143022} is an apocalyptic number.

312202002143022 is an abundant number, since it is smaller than the sum of its proper divisors (322981633127442).

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

312202002143022 is a wasteful number, since it uses less digits than its factorization.

312202002143022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156773.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 312202002143022 its reverse (220341200202213), we get a palindrome (532543202345235).

The spelling of 312202002143022 in words is "three hundred twelve trillion, two hundred two billion, two million, one hundred forty-three thousand, twenty-two".