212072111090 has 32 divisors (see below), whose sum is σ = 436359861504. Its totient is φ = 72694232640.

The previous prime is 212072111089. The next prime is 212072111143. The reversal of 212072111090 is 90111270212.

It is a Curzon number.

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, 19166 + ... + 651545.

It is an arithmetic number, because the mean of its divisors is an integer number (13636245672).

Almost surely, 2^212072111090 is an apocalyptic number.

212072111090 is an abundant number, since it is smaller than the sum of its proper divisors (224287750414).

212072111090 is a wasteful number, since it uses less digits than its factorization.

212072111090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675242.

The product of its (nonzero) digits is 504, while the sum is 26.

The spelling of 212072111090 in words is "two hundred twelve billion, seventy-two million, one hundred eleven thousand, ninety".