212722137707290 has 16 divisors (see below), whose sum is σ = 382959986176512. Its totient is φ = 85075491015504.

The previous prime is 212722137707281. The next prime is 212722137707291. The reversal of 212722137707290 is 92707731227212.

It is not an unprimeable number, because it can be changed into a prime (212722137707291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1670441574 + ... + 1670568913.

It is an arithmetic number, because the mean of its divisors is an integer number (23934999136032).

Almost surely, 2^{212722137707290} is an apocalyptic number.

212722137707290 is a deficient number, since it is larger than the sum of its proper divisors (170237848469222).

212722137707290 is a wasteful number, since it uses less digits than its factorization.

212722137707290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341016861.

The product of its (nonzero) digits is 2074464, while the sum is 52.

The spelling of 212722137707290 in words is "two hundred twelve trillion, seven hundred twenty-two billion, one hundred thirty-seven million, seven hundred seven thousand, two hundred ninety".