121001507612 has 12 divisors (see below), whose sum is σ = 212123487576. Its totient is φ = 60394796880.

The previous prime is 121001507611. The next prime is 121001507621. The reversal of 121001507612 is 216705100121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121001507611) 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, 26486663 + ... + 26491230.

It is an arithmetic number, because the mean of its divisors is an integer number (17676957298).

Almost surely, 2^121001507612 is an apocalyptic number.

It is an amenable number.

121001507612 is a deficient number, since it is larger than the sum of its proper divisors (91121979964).

121001507612 is a wasteful number, since it uses less digits than its factorization.

121001507612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52978468 (or 52978466 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 26.

Adding to 121001507612 its reverse (216705100121), we get a palindrome (337706607733).

The spelling of 121001507612 in words is "one hundred twenty-one billion, one million, five hundred seven thousand, six hundred twelve".