1212013012113 has 32 divisors (see below), whose sum is σ = 1828357332480. Its totient is φ = 793376007120.

The previous prime is 1212013012079. The next prime is 1212013012121. The reversal of 1212013012113 is 3112103102121.

It is not a de Polignac number, because 1212013012113 - 2¹³ = 1212013003921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212013012313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1293723 + ... + 2024288.

It is an arithmetic number, because the mean of its divisors is an integer number (57136166640).

Almost surely, 2^{1212013012113} is an apocalyptic number.

It is an amenable number.

1212013012113 is a deficient number, since it is larger than the sum of its proper divisors (616344320367).

1212013012113 is a wasteful number, since it uses less digits than its factorization.

1212013012113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3318266 (or 3318260 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1212013012113 its reverse (3112103102121), we get a palindrome (4324116114234).

The spelling of 1212013012113 in words is "one trillion, two hundred twelve billion, thirteen million, twelve thousand, one hundred thirteen".