12121130332 has 48 divisors (see below), whose sum is σ = 22522500000. Its totient is φ = 5691838464.

The previous prime is 12121130327. The next prime is 12121130353. The reversal of 12121130332 is 23303112121.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9704044 + ... + 9705292.

It is an arithmetic number, because the mean of its divisors is an integer number (469218750).

Almost surely, 2^12121130332 is an apocalyptic number.

It is an amenable number.

12121130332 is a deficient number, since it is larger than the sum of its proper divisors (10401369668).

12121130332 is a wasteful number, since it uses less digits than its factorization.

12121130332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278 (or 2276 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12121130332 its reverse (23303112121), we get a palindrome (35424242453).

The spelling of 12121130332 in words is "twelve billion, one hundred twenty-one million, one hundred thirty thousand, three hundred thirty-two".