6121206064644 has 48 divisors (see below), whose sum is σ = 15836682179136. Its totient is φ = 1824502550400.

The previous prime is 6121206064627. The next prime is 6121206064667. The reversal of 6121206064644 is 4464606021216.

It is a junction number, because it is equal to n+sod(n) for n = 6121206064596 and 6121206064605.

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, 380096647 + ... + 380112750.

It is an arithmetic number, because the mean of its divisors is an integer number (329930878732).

Almost surely, 2^{6121206064644} is an apocalyptic number.

It is an amenable number.

6121206064644 is an abundant number, since it is smaller than the sum of its proper divisors (9715476114492).

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

6121206064644 is a wasteful number, since it uses less digits than its factorization.

6121206064644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760209476 (or 760209474 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 6121206064644 in words is "six trillion, one hundred twenty-one billion, two hundred six million, sixty-four thousand, six hundred forty-four".