1202212120220 has 12 divisors (see below), whose sum is σ = 2524645452504. Its totient is φ = 480884848080.

The previous prime is 1202212120189. The next prime is 1202212120231. The reversal of 1202212120220 is 220212122021.

It is a happy number.

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, 30055302986 + ... + 30055303025.

It is an arithmetic number, because the mean of its divisors is an integer number (210387121042).

Almost surely, 2^{1202212120220} is an apocalyptic number.

1202212120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202212120220 is an abundant number, since it is smaller than the sum of its proper divisors (1322433332284).

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

1202212120220 is a wasteful number, since it uses less digits than its factorization.

1202212120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60110606020 (or 60110606018 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1202212120220 its reverse (220212122021), we get a palindrome (1422424242241).

The spelling of 1202212120220 in words is "one trillion, two hundred two billion, two hundred twelve million, one hundred twenty thousand, two hundred twenty".