15406630212 has 24 divisors (see below), whose sum is σ = 36006896800. Its totient is φ = 5127244416.

The previous prime is 15406630199. The next prime is 15406630243. The reversal of 15406630212 is 21203660451.

It is a super-2 number, since 2×15406630212² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15406630212.

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, 1029637 + ... + 1044492.

Almost surely, 2^15406630212 is an apocalyptic number.

15406630212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15406630212 is an abundant number, since it is smaller than the sum of its proper divisors (20600266588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15406630212 is a wasteful number, since it uses less digits than its factorization.

15406630212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2074755 (or 2074753 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 15406630212 in words is "fifteen billion, four hundred six million, six hundred thirty thousand, two hundred twelve".