5211321501212 has 24 divisors (see below), whose sum is σ = 9332102401776. Its totient is φ = 2545009141248.

The previous prime is 5211321501203. The next prime is 5211321501223. The reversal of 5211321501212 is 2121051231125.

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, 8345618 + ... + 8948294.

It is an arithmetic number, because the mean of its divisors is an integer number (388837600074).

Almost surely, 2^{5211321501212} is an apocalyptic number.

It is an amenable number.

5211321501212 is a deficient number, since it is larger than the sum of its proper divisors (4120780900564).

5211321501212 is a wasteful number, since it uses less digits than its factorization.

5211321501212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652997 (or 652995 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 5211321501212 its reverse (2121051231125), we get a palindrome (7332372732337).

The spelling of 5211321501212 in words is "five trillion, two hundred eleven billion, three hundred twenty-one million, five hundred one thousand, two hundred twelve".