312202443204142 has 16 divisors (see below), whose sum is σ = 484458956654400. Its totient is φ = 150716277421920.

The previous prime is 312202443204139. The next prime is 312202443204161. The reversal of 312202443204142 is 241402344202213.

It is a super-2 number, since 2×312202443204142² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312202443204098 and 312202443204107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34158342 + ... + 42322537.

It is an arithmetic number, because the mean of its divisors is an integer number (30278684790900).

Almost surely, 2^{312202443204142} is an apocalyptic number.

312202443204142 is a deficient number, since it is larger than the sum of its proper divisors (172256513450258).

312202443204142 is a wasteful number, since it uses less digits than its factorization.

312202443204142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76551291.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 312202443204142 its reverse (241402344202213), we get a palindrome (553604787406355).

The spelling of 312202443204142 in words is "three hundred twelve trillion, two hundred two billion, four hundred forty-three million, two hundred four thousand, one hundred forty-two".