212000021496 has 48 divisors (see below), whose sum is σ = 595432164600. Its totient is φ = 70666673184.

The previous prime is 212000021491. The next prime is 212000021503. The reversal of 212000021496 is 694120000212.

It is a super-2 number, since 2×212000021496² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000021491) 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, 54524811 + ... + 54528698.

Almost surely, 2^212000021496 is an apocalyptic number.

It is an amenable number.

212000021496 is an abundant number, since it is smaller than the sum of its proper divisors (383432143104).

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

212000021496 is a wasteful number, since it uses less digits than its factorization.

212000021496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109053530 (or 109053514 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 212000021496 in words is "two hundred twelve billion, twenty-one thousand, four hundred ninety-six".