220212001200 has 120 divisors (see below), whose sum is σ = 717368817600. Its totient is φ = 57727873280.

The previous prime is 220212001153. The next prime is 220212001211. The reversal of 220212001200 is 2100212022.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1484370 + ... + 1625969.

It is an arithmetic number, because the mean of its divisors is an integer number (5978073480).

Almost surely, 2^220212001200 is an apocalyptic number.

220212001200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220212001200 is an abundant number, since it is smaller than the sum of its proper divisors (497156816400).

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

220212001200 is a wasteful number, since it uses less digits than its factorization.

220212001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110419 (or 3110408 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 220212001200 its reverse (2100212022), we get a palindrome (222312213222).

The spelling of 220212001200 in words is "two hundred twenty billion, two hundred twelve million, one thousand, two hundred".