212152333515555 has 8 divisors (see below), whose sum is σ = 339443733624912. Its totient is φ = 113147911208288.

The previous prime is 212152333515511. The next prime is 212152333515607. The reversal of 212152333515555 is 555515333251212.

It is a happy number.

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 212152333515555 - 2⁸ = 212152333515299 is a prime.

It is a super-2 number, since 2×212152333515555² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7071744450504 + ... + 7071744450533.

It is an arithmetic number, because the mean of its divisors is an integer number (42430466703114).

Almost surely, 2^{212152333515555} is an apocalyptic number.

212152333515555 is a deficient number, since it is larger than the sum of its proper divisors (127291400109357).

212152333515555 is a wasteful number, since it uses less digits than its factorization.

212152333515555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14143488901045.

The product of its digits is 3375000, while the sum is 48.

Adding to 212152333515555 its reverse (555515333251212), we get a palindrome (767667666766767).

The spelling of 212152333515555 in words is "two hundred twelve trillion, one hundred fifty-two billion, three hundred thirty-three million, five hundred fifteen thousand, five hundred fifty-five".