103012112220 has 96 divisors (see below), whose sum is σ = 292616271360. Its totient is φ = 27071896320.

The previous prime is 103012112219. The next prime is 103012112233. The reversal of 103012112220 is 22211210301.

It is a super-2 number, since 2×103012112220² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 103012112220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18481354 + ... + 18486926.

It is an arithmetic number, because the mean of its divisors is an integer number (3048086160).

Almost surely, 2^103012112220 is an apocalyptic number.

103012112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103012112220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146308135680).

103012112220 is an abundant number, since it is smaller than the sum of its proper divisors (189604159140).

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

103012112220 is a wasteful number, since it uses less digits than its factorization.

103012112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9995 (or 9993 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 103012112220 its reverse (22211210301), we get a palindrome (125223322521).

The spelling of 103012112220 in words is "one hundred three billion, twelve million, one hundred twelve thousand, two hundred twenty".