1201022232220 has 12 divisors (see below), whose sum is σ = 2522146687704. Its totient is φ = 480408892880.

The previous prime is 1201022232197. The next prime is 1201022232259. The reversal of 1201022232220 is 222322201021.

It is a super-2 number, since 2×1201022232220² (a number of 25 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 3 ways as a sum of consecutive naturals, for example, 30025555786 + ... + 30025555825.

It is an arithmetic number, because the mean of its divisors is an integer number (210178890642).

Almost surely, 2^{1201022232220} is an apocalyptic number.

1201022232220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201022232220 is an abundant number, since it is smaller than the sum of its proper divisors (1321124455484).

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

1201022232220 is a wasteful number, since it uses less digits than its factorization.

1201022232220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60051111620 (or 60051111618 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 1201022232220 its reverse (222322201021), we get a palindrome (1423344433241).

The spelling of 1201022232220 in words is "one trillion, two hundred one billion, twenty-two million, two hundred thirty-two thousand, two hundred twenty".