212452453515 has 16 divisors (see below), whose sum is σ = 340077028896. Its totient is φ = 113256940800.

The previous prime is 212452453513. The next prime is 212452453523. The reversal of 212452453515 is 515354254212.

It is not a de Polignac number, because 212452453515 - 2¹ = 212452453513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212452453513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3155226 + ... + 3221855.

It is an arithmetic number, because the mean of its divisors is an integer number (21254814306).

Almost surely, 2^212452453515 is an apocalyptic number.

212452453515 is a deficient number, since it is larger than the sum of its proper divisors (127624575381).

212452453515 is a wasteful number, since it uses less digits than its factorization.

212452453515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6379310.

The product of its digits is 240000, while the sum is 39.

The spelling of 212452453515 in words is "two hundred twelve billion, four hundred fifty-two million, four hundred fifty-three thousand, five hundred fifteen".