212162834323440 has 640 divisors, whose sum is σ = 981191299737600. Its totient is φ = 40694569205760.

The previous prime is 212162834323417. The next prime is 212162834323459. The reversal of 212162834323440 is 44323438261212.

It is a happy number.

212162834323440 is a `hidden beast` number, since 2 + 1 + 2 + 1 + 6 + 283 + 4 + 323 + 4 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 46900545 + ... + 51224864.

It is an arithmetic number, because the mean of its divisors is an integer number (1533111405840).

Almost surely, 2^{212162834323440} is an apocalyptic number.

212162834323440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212162834323440 is an abundant number, since it is smaller than the sum of its proper divisors (769028465414160).

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

212162834323440 is a wasteful number, since it uses less digits than its factorization.

212162834323440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98125462 (or 98125450 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 45.

The spelling of 212162834323440 in words is "two hundred twelve trillion, one hundred sixty-two billion, eight hundred thirty-four million, three hundred twenty-three thousand, four hundred forty".