212222011202220 has 48 divisors (see below), whose sum is σ = 601743424181760. Its totient is φ = 55876175100096.

The previous prime is 212222011202203. The next prime is 212222011202269. The reversal of 212222011202220 is 22202110222212.

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, 22386283362 + ... + 22386292841.

It is an arithmetic number, because the mean of its divisors is an integer number (12536321337120).

Almost surely, 2^{212222011202220} is an apocalyptic number.

212222011202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212222011202220 is an abundant number, since it is smaller than the sum of its proper divisors (389521412979540).

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

212222011202220 is a wasteful number, since it uses less digits than its factorization.

212222011202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44772576294 (or 44772576292 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 212222011202220 its reverse (22202110222212), we get a palindrome (234424121424432).

The spelling of 212222011202220 in words is "two hundred twelve trillion, two hundred twenty-two billion, eleven million, two hundred two thousand, two hundred twenty".