212407304551 has 8 divisors (see below), whose sum is σ = 234066010640. Its totient is φ = 191508553152.

The previous prime is 212407304539. The next prime is 212407304563. The reversal of 212407304551 is 155403704212.

212407304551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212407304539) and next prime (212407304563).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212407304551 - 2¹³ = 212407296359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212407304521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189988086 + ... + 189989203.

It is an arithmetic number, because the mean of its divisors is an integer number (29258251330).

Almost surely, 2^212407304551 is an apocalyptic number.

212407304551 is a deficient number, since it is larger than the sum of its proper divisors (21658706089).

212407304551 is a wasteful number, since it uses less digits than its factorization.

212407304551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379977345.

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 212407304551 in words is "two hundred twelve billion, four hundred seven million, three hundred four thousand, five hundred fifty-one".