213245202542312 has 16 divisors (see below), whose sum is σ = 409586821956900. Its totient is φ = 104022050020480.

The previous prime is 213245202542303. The next prime is 213245202542341.

213245202542312 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 177169250524036 + 36075952018276 = 13310494^2 + 6006326^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325068905987 + ... + 325068906642.

Almost surely, 2^{213245202542312} is an apocalyptic number.

It is an amenable number.

213245202542312 is a deficient number, since it is larger than the sum of its proper divisors (196341619414588).

213245202542312 is a wasteful number, since it uses less digits than its factorization.

213245202542312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650137812676 (or 650137812672 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

It can be divided in two parts, 21324520 and 2542312, that added together give a palindrome (23866832).

The spelling of 213245202542312 in words is "two hundred thirteen trillion, two hundred forty-five billion, two hundred two million, five hundred forty-two thousand, three hundred twelve".