212120101486722 has 64 divisors (see below), whose sum is σ = 504412987309056. Its totient is φ = 58619423088960.

The previous prime is 212120101486697. The next prime is 212120101486723. The reversal of 212120101486722 is 227684101021212.

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 (212120101486723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1489243398 + ... + 1489385825.

It is an arithmetic number, because the mean of its divisors is an integer number (7881452926704).

Almost surely, 2^{212120101486722} is an apocalyptic number.

212120101486722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212120101486722 is an abundant number, since it is smaller than the sum of its proper divisors (292292885822334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212120101486722 is a wasteful number, since it uses less digits than its factorization.

212120101486722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2978629335.

The product of its (nonzero) digits is 43008, while the sum is 39.

The spelling of 212120101486722 in words is "two hundred twelve trillion, one hundred twenty billion, one hundred one million, four hundred eighty-six thousand, seven hundred twenty-two".