12210312030 has 32 divisors (see below), whose sum is σ = 33491142144. Its totient is φ = 2790928416.

The previous prime is 12210312029. The next prime is 12210312041. The reversal of 12210312030 is 3021301221.

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

It is a Curzon number.

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, 29071962 + ... + 29072381.

It is an arithmetic number, because the mean of its divisors is an integer number (1046598192).

Almost surely, 2^12210312030 is an apocalyptic number.

12210312030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12210312030 is an abundant number, since it is smaller than the sum of its proper divisors (21280830114).

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

12210312030 is a wasteful number, since it uses less digits than its factorization.

12210312030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58144360.

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

Adding to 12210312030 its reverse (3021301221), we get a palindrome (15231613251).

The spelling of 12210312030 in words is "twelve billion, two hundred ten million, three hundred twelve thousand, thirty".