15120012202 has 8 divisors (see below), whose sum is σ = 22680540000. Its totient is φ = 7559832204.

The previous prime is 15120012169. The next prime is 15120012209. The reversal of 15120012202 is 20221002151.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×15120012202² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15120012209) 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, 129549 + ... + 216847.

It is an arithmetic number, because the mean of its divisors is an integer number (2835067500).

Almost surely, 2^15120012202 is an apocalyptic number.

15120012202 is a deficient number, since it is larger than the sum of its proper divisors (7560527798).

15120012202 is an equidigital number, since it uses as much as digits as its factorization.

15120012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173900.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 15120012202 its reverse (20221002151), we get a palindrome (35341014353).

The spelling of 15120012202 in words is "fifteen billion, one hundred twenty million, twelve thousand, two hundred two".