212027448420 has 84 divisors (see below), whose sum is σ = 667581119100. Its totient is φ = 56540649024.

The previous prime is 212027448407. The next prime is 212027448443. The reversal of 212027448420 is 24844720212.

212027448420 is a `hidden beast` number, since 2 + 1 + 202 + 7 + 448 + 4 + 2 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 85314231396 + 126713217024 = 292086^2 + 355968^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 7256595 + ... + 7285754.

It is an arithmetic number, because the mean of its divisors is an integer number (7947394275).

Almost surely, 2^212027448420 is an apocalyptic number.

212027448420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212027448420 is an abundant number, since it is smaller than the sum of its proper divisors (455553670680).

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

212027448420 is a wasteful number, since it uses less digits than its factorization.

212027448420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14542376 (or 14542359 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 36.

The spelling of 212027448420 in words is "two hundred twelve billion, twenty-seven million, four hundred forty-eight thousand, four hundred twenty".