1212312104013 has 8 divisors (see below), whose sum is σ = 1616424544000. Its totient is φ = 808203866688.

The previous prime is 1212312104011. The next prime is 1212312104033. The reversal of 1212312104013 is 3104012132121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1212312104013 - 2¹ = 1212312104011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212312104011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301213 + ... + 1585986.

It is an arithmetic number, because the mean of its divisors is an integer number (202053068000).

Almost surely, 2^{1212312104013} is an apocalyptic number.

It is an amenable number.

1212312104013 is a deficient number, since it is larger than the sum of its proper divisors (404112439987).

1212312104013 is a wasteful number, since it uses less digits than its factorization.

1212312104013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101331.

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

Adding to 1212312104013 its reverse (3104012132121), we get a palindrome (4316324236134).

The spelling of 1212312104013 in words is "one trillion, two hundred twelve billion, three hundred twelve million, one hundred four thousand, thirteen".