212250453432 has 64 divisors (see below), whose sum is σ = 555018912000. Its totient is φ = 67512470784.

The previous prime is 212250453431. The next prime is 212250453463. The reversal of 212250453432 is 234354052212.

It is a junction number, because it is equal to n+sod(n) for n = 212250453393 and 212250453402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212250453431) 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, 227557 + ... + 690132.

It is an arithmetic number, because the mean of its divisors is an integer number (8672170500).

Almost surely, 2^212250453432 is an apocalyptic number.

It is an amenable number.

212250453432 is an abundant number, since it is smaller than the sum of its proper divisors (342768458568).

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

212250453432 is a wasteful number, since it uses less digits than its factorization.

212250453432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918140 (or 918136 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The spelling of 212250453432 in words is "two hundred twelve billion, two hundred fifty million, four hundred fifty-three thousand, four hundred thirty-two".