1212312202134 has 32 divisors (see below), whose sum is σ = 2645573374080. Its totient is φ = 367293921600.

The previous prime is 1212312202103. The next prime is 1212312202217. The reversal of 1212312202134 is 4312022132121.

It is a congruent number.

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, 1502079 + ... + 2163530.

It is an arithmetic number, because the mean of its divisors is an integer number (82674167940).

Almost surely, 2^{1212312202134} is an apocalyptic number.

1212312202134 is an abundant number, since it is smaller than the sum of its proper divisors (1433261171946).

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

1212312202134 is a wasteful number, since it uses less digits than its factorization.

1212312202134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670636.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1212312202134 its reverse (4312022132121), we get a palindrome (5524334334255).

The spelling of 1212312202134 in words is "one trillion, two hundred twelve billion, three hundred twelve million, two hundred two thousand, one hundred thirty-four".