103212130020120 has 192 divisors, whose sum is σ = 385193595571200. Its totient is φ = 23704221231360.

The previous prime is 103212130020089. The next prime is 103212130020133. The reversal of 103212130020120 is 21020031212301.

103212130020120 is a `hidden beast` number, since 1 + 0 + 321 + 2 + 1 + 300 + 20 + 1 + 20 = 666.

It is a super-2 number, since 2×103212130020120² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 103212130020093 and 103212130020102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 685810792 + ... + 685961271.

It is an arithmetic number, because the mean of its divisors is an integer number (2006216643600).

Almost surely, 2^{103212130020120} is an apocalyptic number.

103212130020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103212130020120 is an abundant number, since it is smaller than the sum of its proper divisors (281981465551080).

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

103212130020120 is a wasteful number, since it uses less digits than its factorization.

103212130020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371772110 (or 1371772103 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 103212130020120 its reverse (21020031212301), we get a palindrome (124232161232421).

The spelling of 103212130020120 in words is "one hundred three trillion, two hundred twelve billion, one hundred thirty million, twenty thousand, one hundred twenty".