12120101002 has 16 divisors (see below), whose sum is σ = 18623309760. Its totient is φ = 5912639712.

The previous prime is 12120100997. The next prime is 12120101009. The reversal of 12120101002 is 20010102121.

It is a self number, because there is not a number n which added to its sum of digits gives 12120101002.

It is not an unprimeable number, because it can be changed into a prime (12120101009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2358 + ... + 155710.

It is an arithmetic number, because the mean of its divisors is an integer number (1163956860).

Almost surely, 2^12120101002 is an apocalyptic number.

12120101002 is a deficient number, since it is larger than the sum of its proper divisors (6503208758).

12120101002 is a wasteful number, since it uses less digits than its factorization.

12120101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154317.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12120101002 its reverse (20010102121), we get a palindrome (32130203123).

The spelling of 12120101002 in words is "twelve billion, one hundred twenty million, one hundred one thousand, two".