2203121132212 has 48 divisors (see below), whose sum is σ = 5176564348032. Its totient is φ = 792331274880.

The previous prime is 2203121132207. The next prime is 2203121132213. The reversal of 2203121132212 is 2122311213022.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203121132213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275111023 + ... + 275119030.

It is an arithmetic number, because the mean of its divisors is an integer number (107845090584).

Almost surely, 2^{2203121132212} is an apocalyptic number.

2203121132212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2203121132212 is an abundant number, since it is smaller than the sum of its proper divisors (2973443215820).

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

2203121132212 is a wasteful number, since it uses less digits than its factorization.

2203121132212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550230088 (or 550230086 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2203121132212 its reverse (2122311213022), we get a palindrome (4325432345234).

The spelling of 2203121132212 in words is "two trillion, two hundred three billion, one hundred twenty-one million, one hundred thirty-two thousand, two hundred twelve".