121122212101012 has 6 divisors (see below), whose sum is σ = 211963871176778. Its totient is φ = 60561106050504.

The previous prime is 121122212101003. The next prime is 121122212101057. The reversal of 121122212101012 is 210101212221121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 119076894519696 + 2045317581316 = 10912236^2 + 1430146^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15140276512623 + ... + 15140276512630.

Almost surely, 2^{121122212101012} is an apocalyptic number.

It is an amenable number.

121122212101012 is a deficient number, since it is larger than the sum of its proper divisors (90841659075766).

121122212101012 is a wasteful number, since it uses less digits than its factorization.

121122212101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30280553025257 (or 30280553025255 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 121122212101012 its reverse (210101212221121), we get a palindrome (331223424322133).

The spelling of 121122212101012 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, two hundred twelve million, one hundred one thousand, twelve".