212030552456 has 32 divisors (see below), whose sum is σ = 421643102400. Its totient is φ = 99743519040.

The previous prime is 212030552453. The next prime is 212030552473. The reversal of 212030552456 is 654255030212.

It is not an unprimeable number, because it can be changed into a prime (212030552453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9434186 + ... + 9456633.

It is an arithmetic number, because the mean of its divisors is an integer number (13176346950).

Almost surely, 2^212030552456 is an apocalyptic number.

It is an amenable number.

212030552456 is a deficient number, since it is larger than the sum of its proper divisors (209612549944).

212030552456 is a wasteful number, since it uses less digits than its factorization.

212030552456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18890909 (or 18890905 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 212030552456 its reverse (654255030212), we get a palindrome (866285582668).

The spelling of 212030552456 in words is "two hundred twelve billion, thirty million, five hundred fifty-two thousand, four hundred fifty-six".