1312111200234 has 32 divisors (see below), whose sum is σ = 2637087921216. Its totient is φ = 435226821120.

The previous prime is 1312111200223. The next prime is 1312111200271. The reversal of 1312111200234 is 4320021112131.

It is a self number, because there is not a number n which added to its sum of digits gives 1312111200234.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8017594 + ... + 8179610.

It is an arithmetic number, because the mean of its divisors is an integer number (82408997538).

Almost surely, 2^{1312111200234} is an apocalyptic number.

1312111200234 is an abundant number, since it is smaller than the sum of its proper divisors (1324976720982).

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

1312111200234 is a wasteful number, since it uses less digits than its factorization.

1312111200234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168630.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1312111200234 its reverse (4320021112131), we get a palindrome (5632132312365).

The spelling of 1312111200234 in words is "one trillion, three hundred twelve billion, one hundred eleven million, two hundred thousand, two hundred thirty-four".