121012012200212 has 48 divisors (see below), whose sum is σ = 260461727382528. Its totient is φ = 48011378296320.

The previous prime is 121012012200137. The next prime is 121012012200251. The reversal of 121012012200212 is 212002210210121.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

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, 2083798148 + ... + 2083856219.

It is an arithmetic number, because the mean of its divisors is an integer number (5426285987136).

Almost surely, 2^{121012012200212} is an apocalyptic number.

It is an amenable number.

121012012200212 is an abundant number, since it is smaller than the sum of its proper divisors (139449715182316).

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

121012012200212 is a wasteful number, since it uses less digits than its factorization.

121012012200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167654456 (or 4167654454 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121012012200212 its reverse (212002210210121), we get a palindrome (333014222410333).

The spelling of 121012012200212 in words is "one hundred twenty-one trillion, twelve billion, twelve million, two hundred thousand, two hundred twelve".