210515484515012 has 6 divisors (see below), whose sum is σ = 368402097901278. Its totient is φ = 105257742257504.

The previous prime is 210515484515003. The next prime is 210515484515029.

It is a happy number.

210515484515012 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 137530175110276 + 72985309404736 = 11727326^2 + 8543144^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26314435564373 + ... + 26314435564380.

It is an arithmetic number, because the mean of its divisors is an integer number (61400349650213).

Almost surely, 2^{210515484515012} is an apocalyptic number.

It is an amenable number.

210515484515012 is a deficient number, since it is larger than the sum of its proper divisors (157886613386266).

210515484515012 is a wasteful number, since it uses less digits than its factorization.

210515484515012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52628871128757 (or 52628871128755 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 44.

The spelling of 210515484515012 in words is "two hundred ten trillion, five hundred fifteen billion, four hundred eighty-four million, five hundred fifteen thousand, twelve".