4910221021212 has 36 divisors (see below), whose sum is σ = 13366712781240. Its totient is φ = 1510837237152.

The previous prime is 4910221021207. The next prime is 4910221021249. The reversal of 4910221021212 is 2121201220194.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×4910221021212² (a number of 26 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 11 ways as a sum of consecutive naturals, for example, 5245962162 + ... + 5245963097.

Almost surely, 2^{4910221021212} is an apocalyptic number.

It is an amenable number.

4910221021212 is an abundant number, since it is smaller than the sum of its proper divisors (8456491760028).

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

4910221021212 is a wasteful number, since it uses less digits than its factorization.

4910221021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10491925282 (or 10491925277 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The spelling of 4910221021212 in words is "four trillion, nine hundred ten billion, two hundred twenty-one million, twenty-one thousand, two hundred twelve".