12120023202 has 64 divisors (see below), whose sum is σ = 29872281600. Its totient is φ = 3200584320.

The previous prime is 12120023189. The next prime is 12120023203. The reversal of 12120023202 is 20232002121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12120023203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152502 + ... + 217937.

It is an arithmetic number, because the mean of its divisors is an integer number (466754400).

Almost surely, 2^12120023202 is an apocalyptic number.

12120023202 is an abundant number, since it is smaller than the sum of its proper divisors (17752258398).

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

12120023202 is a wasteful number, since it uses less digits than its factorization.

12120023202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370511.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12120023202 its reverse (20232002121), we get a palindrome (32352025323).

The spelling of 12120023202 in words is "twelve billion, one hundred twenty million, twenty-three thousand, two hundred two".