212054662623 has 16 divisors (see below), whose sum is σ = 297743604480. Its totient is φ = 133873899264.

The previous prime is 212054662609. The next prime is 212054662627. The reversal of 212054662623 is 326266450212.

It is not a de Polignac number, because 212054662623 - 2⁵ = 212054662591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212054662627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 629586 + ... + 905807.

It is an arithmetic number, because the mean of its divisors is an integer number (18608975280).

Almost surely, 2^212054662623 is an apocalyptic number.

212054662623 is a deficient number, since it is larger than the sum of its proper divisors (85688941857).

212054662623 is a wasteful number, since it uses less digits than its factorization.

212054662623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537838.

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 212054662623 in words is "two hundred twelve billion, fifty-four million, six hundred sixty-two thousand, six hundred twenty-three".