212513202143140 has 12 divisors (see below), whose sum is σ = 446277724500636. Its totient is φ = 85005280857248.

The previous prime is 212513202143117. The next prime is 212513202143171. The reversal of 212513202143140 is 41341202315212.

It can be written as a sum of positive squares in 2 ways, for example, as 42856950296484 + 169656251846656 = 6546522^2 + 13025216^2 .

It is a super-2 number, since 2×212513202143140² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5312830053559 + ... + 5312830053598.

It is an arithmetic number, because the mean of its divisors is an integer number (37189810375053).

Almost surely, 2^{212513202143140} is an apocalyptic number.

212513202143140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212513202143140 is an abundant number, since it is smaller than the sum of its proper divisors (233764522357496).

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

212513202143140 is a wasteful number, since it uses less digits than its factorization.

212513202143140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10625660107166 (or 10625660107164 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 212513202143140 its reverse (41341202315212), we get a palindrome (253854404458352).

The spelling of 212513202143140 in words is "two hundred twelve trillion, five hundred thirteen billion, two hundred two million, one hundred forty-three thousand, one hundred forty".