212114525140 has 36 divisors (see below), whose sum is σ = 518165485236. Its totient is φ = 72724979712.

The previous prime is 212114525107. The next prime is 212114525173. The reversal of 212114525140 is 41525411212.

It is an interprime number because it is at equal distance from previous prime (212114525107) and next prime (212114525173).

It can be written as a sum of positive squares in 2 ways, for example, as 76770001476 + 135344523664 = 277074^2 + 367892^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 212114525099 and 212114525108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108220717 + ... + 108222676.

It is an arithmetic number, because the mean of its divisors is an integer number (14393485701).

Almost surely, 2^212114525140 is an apocalyptic number.

212114525140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212114525140 is an abundant number, since it is smaller than the sum of its proper divisors (306050960096).

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

212114525140 is a wasteful number, since it uses less digits than its factorization.

212114525140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216443416 (or 216443407 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 212114525140 its reverse (41525411212), we get a palindrome (253639936352).

The spelling of 212114525140 in words is "two hundred twelve billion, one hundred fourteen million, five hundred twenty-five thousand, one hundred forty".