212150839449888 has 336 divisors, whose sum is σ = 630649992563136. Its totient is φ = 70217270668800.

The previous prime is 212150839449863. The next prime is 212150839449907. The reversal of 212150839449888 is 888944938051212.

212150839449888 is a `hidden beast` number, since 2 + 1 + 2 + 1 + 50 + 8 + 3 + 9 + 4 + 498 + 88 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 8690064370 + ... + 8690088782.

It is an arithmetic number, because the mean of its divisors is an integer number (1876934501676).

Almost surely, 2^{212150839449888} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212150839449888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315324996281568).

212150839449888 is an abundant number, since it is smaller than the sum of its proper divisors (418499153113248).

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

212150839449888 is a wasteful number, since it uses less digits than its factorization.

212150839449888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27059 (or 27036 counting only the distinct ones).

The product of its (nonzero) digits is 318504960, while the sum is 72.

The spelling of 212150839449888 in words is "two hundred twelve trillion, one hundred fifty billion, eight hundred thirty-nine million, four hundred forty-nine thousand, eight hundred eighty-eight".