212100012020120 has 96 divisors (see below), whose sum is σ = 555170386142880. Its totient is φ = 72715934269440.

The previous prime is 212100012020077. The next prime is 212100012020161. The reversal of 212100012020120 is 21020210001212.

212100012020120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 212100012020095 and 212100012020104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32105957 + ... + 38144363.

It is an arithmetic number, because the mean of its divisors is an integer number (5783024855655).

Almost surely, 2^{212100012020120} is an apocalyptic number.

212100012020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212100012020120 is an abundant number, since it is smaller than the sum of its proper divisors (343070374122760).

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

212100012020120 is a wasteful number, since it uses less digits than its factorization.

212100012020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6056353 (or 6056342 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212100012020120 its reverse (21020210001212), we get a palindrome (233120222021332).

The spelling of 212100012020120 in words is "two hundred twelve trillion, one hundred billion, twelve million, twenty thousand, one hundred twenty".