15012050122 has 4 divisors (see below), whose sum is σ = 22518075186. Its totient is φ = 7506025060.

The previous prime is 15012050101. The next prime is 15012050147. The reversal of 15012050122 is 22105021051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12830319441 + 2181730681 = 113271^2 + 46709^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 15012050122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3753012529 + ... + 3753012532.

Almost surely, 2^15012050122 is an apocalyptic number.

15012050122 is a deficient number, since it is larger than the sum of its proper divisors (7506025064).

15012050122 is an equidigital number, since it uses as much as digits as its factorization.

15012050122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7506025063.

The product of its (nonzero) digits is 200, while the sum is 19.

Adding to 15012050122 its reverse (22105021051), we get a palindrome (37117071173).

The spelling of 15012050122 in words is "fifteen billion, twelve million, fifty thousand, one hundred twenty-two".