2012232101123 has 4 divisors (see below), whose sum is σ = 2012363471760. Its totient is φ = 2012100730488.

The previous prime is 2012232101093. The next prime is 2012232101153. The reversal of 2012232101123 is 3211012322102.

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

It is an interprime number because it is at equal distance from previous prime (2012232101093) and next prime (2012232101153).

It is a cyclic number.

It is not a de Polignac number, because 2012232101123 - 2⁶ = 2012232101059 is a prime.

It is a super-2 number, since 2×2012232101123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012232101095 and 2012232101104.

It is not an unprimeable number, because it can be changed into a prime (2012232101153) 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, 65662340 + ... + 65692977.

It is an arithmetic number, because the mean of its divisors is an integer number (503090867940).

Almost surely, 2^{2012232101123} is an apocalyptic number.

2012232101123 is a deficient number, since it is larger than the sum of its proper divisors (131370637).

2012232101123 is a wasteful number, since it uses less digits than its factorization.

2012232101123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131370636.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2012232101123 its reverse (3211012322102), we get a palindrome (5223244423225).

The spelling of 2012232101123 in words is "two trillion, twelve billion, two hundred thirty-two million, one hundred one thousand, one hundred twenty-three".