120213121213 has 4 divisors (see below), whose sum is σ = 120227734368. Its totient is φ = 120198508060.

The previous prime is 120213121187. The next prime is 120213121219. The reversal of 120213121213 is 312121312021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120213121213 - 2¹³ = 120213113021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120213121219) 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, 7294231 + ... + 7310692.

It is an arithmetic number, because the mean of its divisors is an integer number (30056933592).

Almost surely, 2^120213121213 is an apocalyptic number.

It is an amenable number.

120213121213 is a deficient number, since it is larger than the sum of its proper divisors (14613155).

120213121213 is an equidigital number, since it uses as much as digits as its factorization.

120213121213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14613154.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 120213121213 its reverse (312121312021), we get a palindrome (432334433234).

The spelling of 120213121213 in words is "one hundred twenty billion, two hundred thirteen million, one hundred twenty-one thousand, two hundred thirteen".