10212211200120 has 64 divisors (see below), whose sum is σ = 30666640465440. Its totient is φ = 2720589043200.

The previous prime is 10212211200119. The next prime is 10212211200131. The reversal of 10212211200120 is 2100211221201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10212211200120.

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, 41553171 + ... + 41798210.

Almost surely, 2^{10212211200120} is an apocalyptic number.

10212211200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212211200120 is an abundant number, since it is smaller than the sum of its proper divisors (20454429265320).

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

10212211200120 is a wasteful number, since it uses less digits than its factorization.

10212211200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83352416 (or 83352412 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10212211200120 its reverse (2100211221201), we get a palindrome (12312422421321).

The spelling of 10212211200120 in words is "ten trillion, two hundred twelve billion, two hundred eleven million, two hundred thousand, one hundred twenty".