2123220203312 has 40 divisors (see below), whose sum is σ = 4451176825200. Its totient is φ = 975303463680.

The previous prime is 2123220203257. The next prime is 2123220203387. The reversal of 2123220203312 is 2133020223212.

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, 24145187 + ... + 24232962.

It is an arithmetic number, because the mean of its divisors is an integer number (111279420630).

Almost surely, 2^{2123220203312} is an apocalyptic number.

It is an amenable number.

2123220203312 is an abundant number, since it is smaller than the sum of its proper divisors (2327956621888).

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

2123220203312 is a wasteful number, since it uses less digits than its factorization.

2123220203312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48378381 (or 48378375 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2123220203312 its reverse (2133020223212), we get a palindrome (4256240426524).

The spelling of 2123220203312 in words is "two trillion, one hundred twenty-three billion, two hundred twenty million, two hundred three thousand, three hundred twelve".