15412305105212 has 6 divisors (see below), whose sum is σ = 26971533934128. Its totient is φ = 7706152552604.

The previous prime is 15412305105139. The next prime is 15412305105269. The reversal of 15412305105212 is 21250150321451.

It is a super-2 number, since 2×15412305105212² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1926538138148 + ... + 1926538138155.

It is an arithmetic number, because the mean of its divisors is an integer number (4495255655688).

Almost surely, 2^{15412305105212} is an apocalyptic number.

It is an amenable number.

15412305105212 is a deficient number, since it is larger than the sum of its proper divisors (11559228828916).

15412305105212 is a wasteful number, since it uses less digits than its factorization.

15412305105212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3853076276307 (or 3853076276305 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 15412305105212 its reverse (21250150321451), we get a palindrome (36662455426663).

The spelling of 15412305105212 in words is "fifteen trillion, four hundred twelve billion, three hundred five million, one hundred five thousand, two hundred twelve".