1220101230 has 16 divisors (see below), whose sum is σ = 2928243024. Its totient is φ = 325360320.

The previous prime is 1220101189. The next prime is 1220101241. The reversal of 1220101230 is 321010221.

It is a super-2 number, since 2×1220101230² = 2977294022895025800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20334991 + ... + 20335050.

It is an arithmetic number, because the mean of its divisors is an integer number (183015189).

Almost surely, 2^1220101230 is an apocalyptic number.

1220101230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220101230 is an abundant number, since it is smaller than the sum of its proper divisors (1708141794).

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

1220101230 is a wasteful number, since it uses less digits than its factorization.

1220101230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40670051.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1220101230 is about 34929.9474663218. The cubic root of 1220101230 is about 1068.5592832289.

Adding to 1220101230 its reverse (321010221), we get a palindrome (1541111451).

The spelling of 1220101230 in words is "one billion, two hundred twenty million, one hundred one thousand, two hundred thirty".