212305152514 has 48 divisors (see below), whose sum is σ = 394887249792. Its totient is φ = 83821405824.

The previous prime is 212305152497. The next prime is 212305152523. The reversal of 212305152514 is 415251503212.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1100902 + ... + 1279294.

It is an arithmetic number, because the mean of its divisors is an integer number (8226817704).

Almost surely, 2^212305152514 is an apocalyptic number.

212305152514 is a deficient number, since it is larger than the sum of its proper divisors (182582097278).

212305152514 is a wasteful number, since it uses less digits than its factorization.

212305152514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178931 (or 178918 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 212305152514 its reverse (415251503212), we get a palindrome (627556655726).

The spelling of 212305152514 in words is "two hundred twelve billion, three hundred five million, one hundred fifty-two thousand, five hundred fourteen".