15212034420330 has 96 divisors (see below), whose sum is σ = 40809761496000. Its totient is φ = 3625261361920.

The previous prime is 15212034420313. The next prime is 15212034420361. The reversal of 15212034420330 is 3302443021251.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35299755 + ... + 35728094.

It is an arithmetic number, because the mean of its divisors is an integer number (425101682250).

Almost surely, 2^{15212034420330} is an apocalyptic number.

15212034420330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15212034420330 is an abundant number, since it is smaller than the sum of its proper divisors (25597727075670).

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

15212034420330 is a wasteful number, since it uses less digits than its factorization.

15212034420330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71027940 (or 71027929 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 15212034420330 its reverse (3302443021251), we get a palindrome (18514477441581).

The spelling of 15212034420330 in words is "fifteen trillion, two hundred twelve billion, thirty-four million, four hundred twenty thousand, three hundred thirty".