212454151525 has 48 divisors (see below), whose sum is σ = 339774503040. Its totient is φ = 127872057600.

The previous prime is 212454151513. The next prime is 212454151543. The reversal of 212454151525 is 525151454212.

It is not a de Polignac number, because 212454151525 - 2¹⁵ = 212454118757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1847034 + ... + 1958683.

It is an arithmetic number, because the mean of its divisors is an integer number (7078635480).

Almost surely, 2^212454151525 is an apocalyptic number.

212454151525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212454151525 is a deficient number, since it is larger than the sum of its proper divisors (127320351515).

212454151525 is a wasteful number, since it uses less digits than its factorization.

212454151525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3805774 (or 3805769 counting only the distinct ones).

The product of its digits is 80000, while the sum is 37.

The spelling of 212454151525 in words is "two hundred twelve billion, four hundred fifty-four million, one hundred fifty-one thousand, five hundred twenty-five".