1213030953905 has 16 divisors (see below), whose sum is σ = 1467057144000. Its totient is φ = 962820457920.

The previous prime is 1213030953887. The next prime is 1213030953931. The reversal of 1213030953905 is 5093590303121.

It is not a de Polignac number, because 1213030953905 - 2⁸ = 1213030953649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 513170 + ... + 1639940.

It is an arithmetic number, because the mean of its divisors is an integer number (91691071500).

Almost surely, 2^{1213030953905} is an apocalyptic number.

It is an amenable number.

1213030953905 is a deficient number, since it is larger than the sum of its proper divisors (254026190095).

1213030953905 is a wasteful number, since it uses less digits than its factorization.

1213030953905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128464.

The product of its (nonzero) digits is 109350, while the sum is 41.

The spelling of 1213030953905 in words is "one trillion, two hundred thirteen billion, thirty million, nine hundred fifty-three thousand, nine hundred five".