103012210121020 has 48 divisors (see below), whose sum is σ = 217545213261600. Its totient is φ = 40972608005120.

The previous prime is 103012210120987. The next prime is 103012210121057. The reversal of 103012210121020 is 20121012210301.

It is a super-2 number, since 2×103012210121020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103012210120985 and 103012210121003.

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, 70739616 + ... + 72181144.

It is an arithmetic number, because the mean of its divisors is an integer number (4532191942950).

Almost surely, 2^{103012210121020} is an apocalyptic number.

103012210121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103012210121020 is an abundant number, since it is smaller than the sum of its proper divisors (114533003140580).

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

103012210121020 is a wasteful number, since it uses less digits than its factorization.

103012210121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461678 (or 1461676 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 103012210121020 its reverse (20121012210301), we get a palindrome (123133222331321).

The spelling of 103012210121020 in words is "one hundred three trillion, twelve billion, two hundred ten million, one hundred twenty-one thousand, twenty".