212266265321564 has 12 divisors (see below), whose sum is σ = 381505584970104. Its totient is φ = 103264669615824.

The previous prime is 212266265321449. The next prime is 212266265321587. The reversal of 212266265321564 is 465123562662212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717115761074 + ... + 717115761369.

It is an arithmetic number, because the mean of its divisors is an integer number (31792132080842).

Almost surely, 2^{212266265321564} is an apocalyptic number.

It is an amenable number.

212266265321564 is a deficient number, since it is larger than the sum of its proper divisors (169239319648540).

212266265321564 is a wasteful number, since it uses less digits than its factorization.

212266265321564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434231522484 (or 1434231522482 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 53.

The spelling of 212266265321564 in words is "two hundred twelve trillion, two hundred sixty-six billion, two hundred sixty-five million, three hundred twenty-one thousand, five hundred sixty-four".