212001252044142 has 32 divisors (see below), whose sum is σ = 463021623661824. Its totient is φ = 64177048457600.

The previous prime is 212001252044129. The next prime is 212001252044177. The reversal of 212001252044142 is 241440252100212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1643814834 + ... + 1643943797.

It is an arithmetic number, because the mean of its divisors is an integer number (14469425739432).

Almost surely, 2^{212001252044142} is an apocalyptic number.

212001252044142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212001252044142 is an abundant number, since it is smaller than the sum of its proper divisors (251020371617682).

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

212001252044142 is a wasteful number, since it uses less digits than its factorization.

212001252044142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287759624.

The product of its (nonzero) digits is 10240, while the sum is 30.

The spelling of 212001252044142 in words is "two hundred twelve trillion, one billion, two hundred fifty-two million, forty-four thousand, one hundred forty-two".