1011005051212 has 48 divisors (see below), whose sum is σ = 1945122439680. Its totient is φ = 456913536768.

The previous prime is 1011005051179. The next prime is 1011005051269. The reversal of 1011005051212 is 2121505001101.

It is a self number, because there is not a number n which added to its sum of digits gives 1011005051212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1042453 + ... + 1763155.

It is an arithmetic number, because the mean of its divisors is an integer number (40523384160).

Almost surely, 2^{1011005051212} is an apocalyptic number.

It is an amenable number.

1011005051212 is a deficient number, since it is larger than the sum of its proper divisors (934117388468).

1011005051212 is a wasteful number, since it uses less digits than its factorization.

1011005051212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721282 (or 721280 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 19.

The spelling of 1011005051212 in words is "one trillion, eleven billion, five million, fifty-one thousand, two hundred twelve".