12121144063416 has 64 divisors (see below), whose sum is σ = 33699827347200. Its totient is φ = 4036783427424.

The previous prime is 12121144063409. The next prime is 12121144063453. The reversal of 12121144063416 is 61436044112121.

12121144063416 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 1 + 1 + 4 + 4 + 0 + 634 + 16 = 666.

12121144063416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 24742476 + ... + 25227611.

It is an arithmetic number, because the mean of its divisors is an integer number (526559802300).

Almost surely, 2^{12121144063416} is an apocalyptic number.

It is an amenable number.

12121144063416 is an abundant number, since it is smaller than the sum of its proper divisors (21578683283784).

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

12121144063416 is a wasteful number, since it uses less digits than its factorization.

12121144063416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49971225 (or 49971215 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

Adding to 12121144063416 its reverse (61436044112121), we get a palindrome (73557188175537).

The spelling of 12121144063416 in words is "twelve trillion, one hundred twenty-one billion, one hundred forty-four million, sixty-three thousand, four hundred sixteen".