70215111812 has 12 divisors (see below), whose sum is σ = 122878646016. Its totient is φ = 35106927240.

The previous prime is 70215111797. The next prime is 70215111821. The reversal of 70215111812 is 21811151207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169637 + ... + 411347.

It is an arithmetic number, because the mean of its divisors is an integer number (10239887168).

Almost surely, 2^70215111812 is an apocalyptic number.

It is an amenable number.

70215111812 is a deficient number, since it is larger than the sum of its proper divisors (52663534204).

70215111812 is a wasteful number, since it uses less digits than its factorization.

70215111812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314338 (or 314336 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 29.

The spelling of 70215111812 in words is "seventy billion, two hundred fifteen million, one hundred eleven thousand, eight hundred twelve".