121010201110012 has 24 divisors (see below), whose sum is σ = 211873944275280. Its totient is φ = 60474795951360.

The previous prime is 121010201109991. The next prime is 121010201110013. The reversal of 121010201110012 is 210011102010121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121010201109974 and 121010201110001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010201110013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63961539 + ... + 65826277.

It is an arithmetic number, because the mean of its divisors is an integer number (8828081011470).

Almost surely, 2^{121010201110012} is an apocalyptic number.

It is an amenable number.

121010201110012 is a deficient number, since it is larger than the sum of its proper divisors (90863743165268).

121010201110012 is a wasteful number, since it uses less digits than its factorization.

121010201110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872861 (or 1872859 counting only the distinct ones).

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

Adding to 121010201110012 its reverse (210011102010121), we get a palindrome (331021303120133).

The spelling of 121010201110012 in words is "one hundred twenty-one trillion, ten billion, two hundred one million, one hundred ten thousand, twelve".