121210112001012 has 24 divisors (see below), whose sum is σ = 282884561299200. Its totient is φ = 40394661148416.

The previous prime is 121210112000977. The next prime is 121210112001089. The reversal of 121210112001012 is 210100211012121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121210112000982 and 121210112001000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1088631837 + ... + 1088743172.

It is an arithmetic number, because the mean of its divisors is an integer number (11786856720800).

Almost surely, 2^{121210112001012} is an apocalyptic number.

121210112001012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121210112001012 is an abundant number, since it is smaller than the sum of its proper divisors (161674449298188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121210112001012 is a wasteful number, since it uses less digits than its factorization.

121210112001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177379655 (or 2177379653 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121210112001012 its reverse (210100211012121), we get a palindrome (331310323013133).

The spelling of 121210112001012 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred twelve million, one thousand, twelve".