4221560161212 has 48 divisors (see below), whose sum is σ = 9891586650624. Its totient is φ = 1401294816000.

The previous prime is 4221560161199. The next prime is 4221560161279. The reversal of 4221560161212 is 2121610651224.

It is a happy number.

4221560161212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 6217012 + ... + 6862532.

It is an arithmetic number, because the mean of its divisors is an integer number (206074721888).

Almost surely, 2^{4221560161212} is an apocalyptic number.

It is an amenable number.

4221560161212 is an abundant number, since it is smaller than the sum of its proper divisors (5670026489412).

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

4221560161212 is a wasteful number, since it uses less digits than its factorization.

4221560161212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647810 (or 647808 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 4221560161212 in words is "four trillion, two hundred twenty-one billion, five hundred sixty million, one hundred sixty-one thousand, two hundred twelve".