1212033013312 has 28 divisors (see below), whose sum is σ = 2623776013296. Its totient is φ = 550924096640.

The previous prime is 1212033013307. The next prime is 1212033013339. The reversal of 1212033013312 is 2133103302121.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 860818198 + ... + 860819605.

Almost surely, 2^{1212033013312} is an apocalyptic number.

It is an amenable number.

1212033013312 is an abundant number, since it is smaller than the sum of its proper divisors (1411742999984).

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

1212033013312 is a wasteful number, since it uses less digits than its factorization.

1212033013312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721637826 (or 1721637816 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1212033013312 its reverse (2133103302121), we get a palindrome (3345136315433).

The spelling of 1212033013312 in words is "one trillion, two hundred twelve billion, thirty-three million, thirteen thousand, three hundred twelve".