120121202013 has 32 divisors (see below), whose sum is σ = 171662108160. Its totient is φ = 74488559040.

The previous prime is 120121201943. The next prime is 120121202023. The reversal of 120121202013 is 310202121021.

It is not a de Polignac number, because 120121202013 - 2¹⁰ = 120121200989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120121201983 and 120121202001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120121202023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1926870 + ... + 1988232.

It is an arithmetic number, because the mean of its divisors is an integer number (5364440880).

Almost surely, 2^120121202013 is an apocalyptic number.

It is an amenable number.

120121202013 is a deficient number, since it is larger than the sum of its proper divisors (51540906147).

120121202013 is a wasteful number, since it uses less digits than its factorization.

120121202013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62009.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 120121202013 its reverse (310202121021), we get a palindrome (430323323034).

The spelling of 120121202013 in words is "one hundred twenty billion, one hundred twenty-one million, two hundred two thousand, thirteen".