121000120111012 has 48 divisors (see below), whose sum is σ = 217145570544000. Its totient is φ = 58961699677440.

The previous prime is 121000120111001. The next prime is 121000120111033. The reversal of 121000120111012 is 210111021000121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121000120110983 and 121000120111001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615430939 + ... + 615627517.

It is an arithmetic number, because the mean of its divisors is an integer number (4523866053000).

Almost surely, 2^{121000120111012} is an apocalyptic number.

It is an amenable number.

121000120111012 is a deficient number, since it is larger than the sum of its proper divisors (96145450432988).

121000120111012 is a wasteful number, since it uses less digits than its factorization.

121000120111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200596 (or 200594 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121000120111012 its reverse (210111021000121), we get a palindrome (331111141111133).

The spelling of 121000120111012 in words is "one hundred twenty-one trillion, one hundred twenty million, one hundred eleven thousand, twelve".