4121207506992 has 20 divisors (see below), whose sum is σ = 10646452726520. Its totient is φ = 1373735835648.

The previous prime is 4121207506937. The next prime is 4121207506993. The reversal of 4121207506992 is 2996057021214.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 85858489729 = 4121207506992 / (4 + 1 + 2 + 1 + 2 + 0 + 7 + 5 + 0 + 6 + 9 + 9 + 2).

It is not an unprimeable number, because it can be changed into a prime (4121207506993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42929244817 + ... + 42929244912.

It is an arithmetic number, because the mean of its divisors is an integer number (532322636326).

Almost surely, 2^{4121207506992} is an apocalyptic number.

It is an amenable number.

4121207506992 is an abundant number, since it is smaller than the sum of its proper divisors (6525245219528).

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

4121207506992 is a wasteful number, since it uses less digits than its factorization.

4121207506992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85858489740 (or 85858489734 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 4121207506992 in words is "four trillion, one hundred twenty-one billion, two hundred seven million, five hundred six thousand, nine hundred ninety-two".