12120213001 has 16 divisors (see below), whose sum is σ = 13311043200. Its totient is φ = 10967378688.

The previous prime is 12120212999. The next prime is 12120213023. The reversal of 12120213001 is 10031202121.

It is a cyclic number.

It is not a de Polignac number, because 12120213001 - 2¹ = 12120212999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (12120213901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253345 + ... + 297361.

It is an arithmetic number, because the mean of its divisors is an integer number (831940200).

Almost surely, 2^12120213001 is an apocalyptic number.

It is an amenable number.

12120213001 is a deficient number, since it is larger than the sum of its proper divisors (1190830199).

12120213001 is a wasteful number, since it uses less digits than its factorization.

12120213001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44448.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12120213001 its reverse (10031202121), we get a palindrome (22151415122).

The spelling of 12120213001 in words is "twelve billion, one hundred twenty million, two hundred thirteen thousand, one".