5451315623212 has 12 divisors (see below), whose sum is σ = 9634255829856. Its totient is φ = 2698671100400.

The previous prime is 5451315623179. The next prime is 5451315623213. The reversal of 5451315623212 is 2123265131545.

It is not an unprimeable number, because it can be changed into a prime (5451315623213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6746677348 + ... + 6746678155.

It is an arithmetic number, because the mean of its divisors is an integer number (802854652488).

Almost surely, 2^{5451315623212} is an apocalyptic number.

It is an amenable number.

5451315623212 is a deficient number, since it is larger than the sum of its proper divisors (4182940206644).

5451315623212 is a wasteful number, since it uses less digits than its factorization.

5451315623212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13493355608 (or 13493355606 counting only the distinct ones).

The product of its digits is 216000, while the sum is 40.

The spelling of 5451315623212 in words is "five trillion, four hundred fifty-one billion, three hundred fifteen million, six hundred twenty-three thousand, two hundred twelve".