212701923291 has 32 divisors (see below), whose sum is σ = 344672536320. Its totient is φ = 114890832000.

The previous prime is 212701923251. The next prime is 212701923299. The reversal of 212701923291 is 192329107212.

It is a happy number.

212701923291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212701923291 - 2⁷ = 212701923163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (212701923299) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 8535985 + ... + 8560866.

It is an arithmetic number, because the mean of its divisors is an integer number (10771016760).

Almost surely, 2^212701923291 is an apocalyptic number.

212701923291 is a deficient number, since it is larger than the sum of its proper divisors (131970613029).

212701923291 is a wasteful number, since it uses less digits than its factorization.

212701923291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17096907.

The product of its (nonzero) digits is 27216, while the sum is 39.

The spelling of 212701923291 in words is "two hundred twelve billion, seven hundred one million, nine hundred twenty-three thousand, two hundred ninety-one".