1213012130111 has 8 divisors (see below), whose sum is σ = 1242988243200. Its totient is φ = 1183349903320.

The previous prime is 1213012130039. The next prime is 1213012130131. The reversal of 1213012130111 is 1110312103121.

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

It is a cyclic number.

It is not a de Polignac number, because 1213012130111 - 2³⁴ = 1195832260927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1213012130111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213012130131) 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, 78463751 + ... + 78479208.

It is an arithmetic number, because the mean of its divisors is an integer number (155373530400).

Almost surely, 2^{1213012130111} is an apocalyptic number.

1213012130111 is a deficient number, since it is larger than the sum of its proper divisors (29976113089).

1213012130111 is a wasteful number, since it uses less digits than its factorization.

1213012130111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156943149.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1213012130111 its reverse (1110312103121), we get a palindrome (2323324233232).

The spelling of 1213012130111 in words is "one trillion, two hundred thirteen billion, twelve million, one hundred thirty thousand, one hundred eleven".