12121150634 has 16 divisors (see below), whose sum is σ = 18572433408. Its totient is φ = 5930393232.

The previous prime is 12121150609. The next prime is 12121150649. The reversal of 12121150634 is 43605112121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579767 + ... + 600309.

It is an arithmetic number, because the mean of its divisors is an integer number (1160777088).

Almost surely, 2^12121150634 is an apocalyptic number.

12121150634 is a deficient number, since it is larger than the sum of its proper divisors (6451282774).

12121150634 is a wasteful number, since it uses less digits than its factorization.

12121150634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26869.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 12121150634 its reverse (43605112121), we get a palindrome (55726262755).

The spelling of 12121150634 in words is "twelve billion, one hundred twenty-one million, one hundred fifty thousand, six hundred thirty-four".