212424151900 has 36 divisors (see below), whose sum is σ = 461845283760. Its totient is φ = 84806550400.

The previous prime is 212424151867. The next prime is 212424151909. The reversal of 212424151900 is 9151424212.

It is a super-2 number, since 2×212424151900² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212424151909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1986520 + ... + 2090719.

It is an arithmetic number, because the mean of its divisors is an integer number (12829035660).

Almost surely, 2^212424151900 is an apocalyptic number.

212424151900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212424151900 is an abundant number, since it is smaller than the sum of its proper divisors (249421131860).

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

212424151900 is a wasteful number, since it uses less digits than its factorization.

212424151900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077774 (or 4077767 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 212424151900 in words is "two hundred twelve billion, four hundred twenty-four million, one hundred fifty-one thousand, nine hundred".