1210202002220 has 24 divisors (see below), whose sum is σ = 2542509917808. Its totient is φ = 483873998400.

The previous prime is 1210202002189. The next prime is 1210202002231. The reversal of 1210202002220 is 222002020121.

It is a junction number, because it is equal to n+sod(n) for n = 1210202002195 and 1210202002204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12877166 + ... + 12970805.

It is an arithmetic number, because the mean of its divisors is an integer number (105937913242).

Almost surely, 2^{1210202002220} is an apocalyptic number.

1210202002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210202002220 is an abundant number, since it is smaller than the sum of its proper divisors (1332307915588).

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

1210202002220 is a wasteful number, since it uses less digits than its factorization.

1210202002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25850321 (or 25850319 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1210202002220 its reverse (222002020121), we get a palindrome (1432204022341).

The spelling of 1210202002220 in words is "one trillion, two hundred ten billion, two hundred two million, two thousand, two hundred twenty".