212504150400 has 96 divisors (see below), whose sum is σ = 699935577000. Its totient is φ = 56667770880.

The previous prime is 212504150381. The next prime is 212504150471. The reversal of 212504150400 is 4051405212.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11058325 + ... + 11077524.

Almost surely, 2^212504150400 is an apocalyptic number.

212504150400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212504150400 is an abundant number, since it is smaller than the sum of its proper divisors (487431426600).

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

212504150400 is a wasteful number, since it uses less digits than its factorization.

212504150400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22135876 (or 22135859 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 212504150400 its reverse (4051405212), we get a palindrome (216555555612).

The spelling of 212504150400 in words is "two hundred twelve billion, five hundred four million, one hundred fifty thousand, four hundred".