212481373655 has 8 divisors (see below), whose sum is σ = 255144200784. Its totient is φ = 169874064000.

The previous prime is 212481373633. The next prime is 212481373669. The reversal of 212481373655 is 556373184212.

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

It is not a de Polignac number, because 212481373655 - 2¹⁴ = 212481357271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13870946 + ... + 13886255.

It is an arithmetic number, because the mean of its divisors is an integer number (31893025098).

Almost surely, 2^212481373655 is an apocalyptic number.

212481373655 is a deficient number, since it is larger than the sum of its proper divisors (42662827129).

212481373655 is a wasteful number, since it uses less digits than its factorization.

212481373655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27758737.

The product of its digits is 1209600, while the sum is 47.

The spelling of 212481373655 in words is "two hundred twelve billion, four hundred eighty-one million, three hundred seventy-three thousand, six hundred fifty-five".