121012122101212 has 24 divisors (see below), whose sum is σ = 213152806881504. Its totient is φ = 60111706197312.

The previous prime is 121012122101161. The next prime is 121012122101341. The reversal of 121012122101212 is 212101221210121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121012122101212.

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, 47002923 + ... + 49510594.

It is an arithmetic number, because the mean of its divisors is an integer number (8881366953396).

Almost surely, 2^{121012122101212} is an apocalyptic number.

It is an amenable number.

121012122101212 is a deficient number, since it is larger than the sum of its proper divisors (92140684780292).

121012122101212 is a wasteful number, since it uses less digits than its factorization.

121012122101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96515565 (or 96515563 counting only the distinct ones).

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

Adding to 121012122101212 its reverse (212101221210121), we get a palindrome (333113343311333).

The spelling of 121012122101212 in words is "one hundred twenty-one trillion, twelve billion, one hundred twenty-two million, one hundred one thousand, two hundred twelve".