12101202120 has 64 divisors (see below), whose sum is σ = 41489838720. Its totient is φ = 2765988864.

The previous prime is 12101202101. The next prime is 12101202121. The reversal of 12101202120 is 2120210121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12101202096 and 12101202105.

It is not an unprimeable number, because it can be changed into a prime (12101202121) 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, 7202257 + ... + 7203936.

It is an arithmetic number, because the mean of its divisors is an integer number (648278730).

Almost surely, 2^12101202120 is an apocalyptic number.

12101202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101202120 is an abundant number, since it is smaller than the sum of its proper divisors (29388636600).

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

12101202120 is a wasteful number, since it uses less digits than its factorization.

12101202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14406214 (or 14406210 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12101202120 its reverse (2120210121), we get a palindrome (14221412241).

The spelling of 12101202120 in words is "twelve billion, one hundred one million, two hundred two thousand, one hundred twenty".