121201010013 has 32 divisors (see below), whose sum is σ = 180511257600. Its totient is φ = 71978772096.

The previous prime is 121201010003. The next prime is 121201010027. The reversal of 121201010013 is 310010102121.

It is a de Polignac number, because none of the positive numbers 2^k-121201010013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121201010003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 706120 + ... + 860817.

It is an arithmetic number, because the mean of its divisors is an integer number (5640976800).

Almost surely, 2^121201010013 is an apocalyptic number.

It is an amenable number.

121201010013 is a deficient number, since it is larger than the sum of its proper divisors (59310247587).

121201010013 is a wasteful number, since it uses less digits than its factorization.

121201010013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567041.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 121201010013 its reverse (310010102121), we get a palindrome (431211112134).

The spelling of 121201010013 in words is "one hundred twenty-one billion, two hundred one million, ten thousand, thirteen".