1213112043002 has 32 divisors (see below), whose sum is σ = 1829335083264. Its totient is φ = 603344851200.

The previous prime is 1213112042999. The next prime is 1213112043007. The reversal of 1213112043002 is 2003402113121.

It is not an unprimeable number, because it can be changed into a prime (1213112043007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 819116102 + ... + 819117582.

It is an arithmetic number, because the mean of its divisors is an integer number (57166721352).

Almost surely, 2^{1213112043002} is an apocalyptic number.

1213112043002 is a deficient number, since it is larger than the sum of its proper divisors (616223040262).

1213112043002 is a wasteful number, since it uses less digits than its factorization.

1213112043002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3974.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1213112043002 its reverse (2003402113121), we get a palindrome (3216514156123).

The spelling of 1213112043002 in words is "one trillion, two hundred thirteen billion, one hundred twelve million, forty-three thousand, two".