10120002011220 has 48 divisors (see below), whose sum is σ = 28397472098688. Its totient is φ = 2692813253760.

The previous prime is 10120002011191. The next prime is 10120002011237. The reversal of 10120002011220 is 2211020002101.

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 = 10120002011196 and 10120002011205.

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, 182908024 + ... + 182963343.

It is an arithmetic number, because the mean of its divisors is an integer number (591614002056).

Almost surely, 2^{10120002011220} is an apocalyptic number.

10120002011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120002011220 is an abundant number, since it is smaller than the sum of its proper divisors (18277470087468).

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

10120002011220 is a wasteful number, since it uses less digits than its factorization.

10120002011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365871840 (or 365871838 counting only the distinct ones).

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

Adding to 10120002011220 its reverse (2211020002101), we get a palindrome (12331022013321).

The spelling of 10120002011220 in words is "ten trillion, one hundred twenty billion, two million, eleven thousand, two hundred twenty".