2123133103212 has 72 divisors (see below), whose sum is σ = 5493469518768. Its totient is φ = 637680046080.

The previous prime is 2123133103211. The next prime is 2123133103277. The reversal of 2123133103212 is 2123013313212.

It is not an unprimeable number, because it can be changed into a prime (2123133103211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6305893 + ... + 6634044.

Almost surely, 2^{2123133103212} is an apocalyptic number.

2123133103212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2123133103212 is an abundant number, since it is smaller than the sum of its proper divisors (3370336415556).

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

2123133103212 is a wasteful number, since it uses less digits than its factorization.

2123133103212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12940079 (or 12940066 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 2123133103212 its reverse (2123013313212), we get a palindrome (4246146416424).

The spelling of 2123133103212 in words is "two trillion, one hundred twenty-three billion, one hundred thirty-three million, one hundred three thousand, two hundred twelve".