15412220513000 has 128 divisors (see below), whose sum is σ = 36481719081600. Its totient is φ = 6093630400000.

The previous prime is 15412220512991. The next prime is 15412220513059. The reversal of 15412220513000 is 31502221451.

It is a super-2 number, since 2×15412220513000² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 289312367 + ... + 289365633.

It is an arithmetic number, because the mean of its divisors is an integer number (285013430325).

Almost surely, 2^{15412220513000} is an apocalyptic number.

15412220513000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15412220513000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18240859540800).

15412220513000 is an abundant number, since it is smaller than the sum of its proper divisors (21069498568600).

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

15412220513000 is a wasteful number, since it uses less digits than its factorization.

15412220513000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56628 (or 56614 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 15412220513000 its reverse (31502221451), we get a palindrome (15443722734451).

The spelling of 15412220513000 in words is "fifteen trillion, four hundred twelve billion, two hundred twenty million, five hundred thirteen thousand".