1230100310220 has 96 divisors (see below), whose sum is σ = 3478482705600. Its totient is φ = 324783513600.

The previous prime is 1230100310119. The next prime is 1230100310261. The reversal of 1230100310220 is 220130010321.

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 1230100310220.

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, 2578420 + ... + 3018020.

It is an arithmetic number, because the mean of its divisors is an integer number (36234194850).

Almost surely, 2^{1230100310220} is an apocalyptic number.

1230100310220 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 1230100310220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1739241352800).

1230100310220 is an abundant number, since it is smaller than the sum of its proper divisors (2248382395380).

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

1230100310220 is a wasteful number, since it uses less digits than its factorization.

1230100310220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440075 (or 440073 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1230100310220 its reverse (220130010321), we get a palindrome (1450230320541).

The spelling of 1230100310220 in words is "one trillion, two hundred thirty billion, one hundred million, three hundred ten thousand, two hundred twenty".