10120112001220 has 48 divisors (see below), whose sum is σ = 22887502606080. Its totient is φ = 3736578358656.

The previous prime is 10120112001217. The next prime is 10120112001247. The reversal of 10120112001220 is 2210021102101.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 10120112001220.

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, 12835329 + ... + 13600951.

It is an arithmetic number, because the mean of its divisors is an integer number (476822970960).

Almost surely, 2^{10120112001220} is an apocalyptic number.

10120112001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120112001220 is an abundant number, since it is smaller than the sum of its proper divisors (12767390604860).

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

10120112001220 is a wasteful number, since it uses less digits than its factorization.

10120112001220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816484 (or 816482 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10120112001220 its reverse (2210021102101), we get a palindrome (12330133103321).

The spelling of 10120112001220 in words is "ten trillion, one hundred twenty billion, one hundred twelve million, one thousand, two hundred twenty".