12102010100220 has 48 divisors (see below), whose sum is σ = 34801456078368. Its totient is φ = 3139980998400.

The previous prime is 12102010100149. The next prime is 12102010100237. The reversal of 12102010100220 is 2200101020121.

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 = 12102010100196 and 12102010100205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2725675731 + ... + 2725680170.

It is an arithmetic number, because the mean of its divisors is an integer number (725030334966).

Almost surely, 2^{12102010100220} is an apocalyptic number.

12102010100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102010100220 is an abundant number, since it is smaller than the sum of its proper divisors (22699445978148).

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

12102010100220 is a wasteful number, since it uses less digits than its factorization.

12102010100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5451355950 (or 5451355948 counting only the distinct ones).

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

Adding to 12102010100220 its reverse (2200101020121), we get a palindrome (14302111120341).

The spelling of 12102010100220 in words is "twelve trillion, one hundred two billion, ten million, one hundred thousand, two hundred twenty".