212272435620 has 192 divisors, whose sum is σ = 799143528960. Its totient is φ = 45665316864.

The previous prime is 212272435597. The next prime is 212272435633. The reversal of 212272435620 is 26534272212.

212272435620 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 7 + 24 + 3 + 5 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1587409 + ... + 1715928.

It is an arithmetic number, because the mean of its divisors is an integer number (4162205880).

Almost surely, 2^212272435620 is an apocalyptic number.

212272435620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212272435620 is an abundant number, since it is smaller than the sum of its proper divisors (586871093340).

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

212272435620 is a wasteful number, since it uses less digits than its factorization.

212272435620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303379 (or 3303371 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 212272435620 in words is "two hundred twelve billion, two hundred seventy-two million, four hundred thirty-five thousand, six hundred twenty".