12120101012 has 24 divisors (see below), whose sum is σ = 21274893696. Its totient is φ = 6041585088.

The previous prime is 12120101011. The next prime is 12120101017. The reversal of 12120101012 is 21010102121.

It is a junction number, because it is equal to n+sod(n) for n = 12120100984 and 12120101002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120101011) 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, 2818448 + ... + 2822744.

It is an arithmetic number, because the mean of its divisors is an integer number (886453904).

Almost surely, 2^12120101012 is an apocalyptic number.

It is an amenable number.

12120101012 is a deficient number, since it is larger than the sum of its proper divisors (9154792684).

12120101012 is a wasteful number, since it uses less digits than its factorization.

12120101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6287 (or 6285 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12120101012 its reverse (21010102121), we get a palindrome (33130203133).

The spelling of 12120101012 in words is "twelve billion, one hundred twenty million, one hundred one thousand, twelve".