2012312213203 has 4 divisors (see below), whose sum is σ = 2130683519880. Its totient is φ = 1893940906528.

The previous prime is 2012312213189. The next prime is 2012312213291. The reversal of 2012312213203 is 3023122132102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2012312213203 - 2²⁵ = 2012278658771 is a prime.

It is a super-2 number, since 2×2012312213203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012312213503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59185653313 + ... + 59185653346.

It is an arithmetic number, because the mean of its divisors is an integer number (532670879970).

Almost surely, 2^{2012312213203} is an apocalyptic number.

2012312213203 is a deficient number, since it is larger than the sum of its proper divisors (118371306677).

2012312213203 is a wasteful number, since it uses less digits than its factorization.

2012312213203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118371306676.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2012312213203 its reverse (3023122132102), we get a palindrome (5035434345305).

The spelling of 2012312213203 in words is "two trillion, twelve billion, three hundred twelve million, two hundred thirteen thousand, two hundred three".