123212020002011 has 4 divisors (see below), whose sum is σ = 123213959587632. Its totient is φ = 123210080416392.

The previous prime is 123212020001969. The next prime is 123212020002023. The reversal of 123212020002011 is 110200020212321.

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 123212020002011 - 2¹⁴ = 123212019985627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123212023002011) 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, 969697520 + ... + 969824573.

It is an arithmetic number, because the mean of its divisors is an integer number (30803489896908).

Almost surely, 2^{123212020002011} is an apocalyptic number.

123212020002011 is a deficient number, since it is larger than the sum of its proper divisors (1939585621).

123212020002011 is an equidigital number, since it uses as much as digits as its factorization.

123212020002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939585620.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 123212020002011 its reverse (110200020212321), we get a palindrome (233412040214332).

The spelling of 123212020002011 in words is "one hundred twenty-three trillion, two hundred twelve billion, twenty million, two thousand, eleven".