121345414444412 has 24 divisors (see below), whose sum is σ = 212445794524320. Its totient is φ = 60646621238720.

The previous prime is 121345414444403. The next prime is 121345414444439. The reversal of 121345414444412 is 214444414543121.

It is a super-2 number, since 2×121345414444412² (a number of 29 digits) contains 22 as substring.

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, 92879462 + ... + 94176882.

It is an arithmetic number, because the mean of its divisors is an integer number (8851908105180).

Almost surely, 2^{121345414444412} is an apocalyptic number.

It is an amenable number.

121345414444412 is a deficient number, since it is larger than the sum of its proper divisors (91100380079908).

121345414444412 is a wasteful number, since it uses less digits than its factorization.

121345414444412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307461 (or 1307459 counting only the distinct ones).

The product of its digits is 983040, while the sum is 44.

Adding to 121345414444412 its reverse (214444414543121), we get a palindrome (335789828987533).

The spelling of 121345414444412 in words is "one hundred twenty-one trillion, three hundred forty-five billion, four hundred fourteen million, four hundred forty-four thousand, four hundred twelve".