103012310201220 has 144 divisors (see below), whose sum is σ = 357147248709888. Its totient is φ = 23543171562240.

The previous prime is 103012310201189. The next prime is 103012310201243. The reversal of 103012310201220 is 22102013210301.

103012310201220 is a `hidden beast` number, since 1 + 0 + 301 + 2 + 310 + 20 + 12 + 20 = 666.

It is a super-2 number, since 2×103012310201220² (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 = 103012310201193 and 103012310201202.

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, 7548642 + ... + 16217478.

It is an arithmetic number, because the mean of its divisors is an integer number (2480189227152).

Almost surely, 2^{103012310201220} is an apocalyptic number.

103012310201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103012310201220 is an abundant number, since it is smaller than the sum of its proper divisors (254134938508668).

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

103012310201220 is a wasteful number, since it uses less digits than its factorization.

103012310201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8678290 (or 8678285 counting only the distinct ones).

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

Adding to 103012310201220 its reverse (22102013210301), we get a palindrome (125114323411521).

The spelling of 103012310201220 in words is "one hundred three trillion, twelve billion, three hundred ten million, two hundred one thousand, two hundred twenty".