2131212231202 has 8 divisors (see below), whose sum is σ = 3307053462300. Its totient is φ = 1028861077104.

The previous prime is 2131212231139. The next prime is 2131212231223. The reversal of 2131212231202 is 2021322121312.

It can be written as a sum of positive squares in 2 ways, for example, as 1875642550681 + 255569680521 = 1369541^2 + 505539^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18372519177 + ... + 18372519292.

Almost surely, 2^{2131212231202} is an apocalyptic number.

2131212231202 is a deficient number, since it is larger than the sum of its proper divisors (1175841231098).

2131212231202 is a wasteful number, since it uses less digits than its factorization.

2131212231202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36745038500.

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

Adding to 2131212231202 its reverse (2021322121312), we get a palindrome (4152534352514).

The spelling of 2131212231202 in words is "two trillion, one hundred thirty-one billion, two hundred twelve million, two hundred thirty-one thousand, two hundred two".