1202212122220 has 24 divisors (see below), whose sum is σ = 2524679910144. Its totient is φ = 480878286336.

The previous prime is 1202212122211. The next prime is 1202212122229. The reversal of 1202212122220 is 222212122021.

It is an interprime number because it is at equal distance from previous prime (1202212122211) and next prime (1202212122229).

It is not an unprimeable number, because it can be changed into a prime (1202212122229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1257372 + ... + 1996348.

It is an arithmetic number, because the mean of its divisors is an integer number (105194996256).

Almost surely, 2^{1202212122220} is an apocalyptic number.

1202212122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202212122220 is an abundant number, since it is smaller than the sum of its proper divisors (1322467787924).

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

1202212122220 is a wasteful number, since it uses less digits than its factorization.

1202212122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820329 (or 820327 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1202212122220 its reverse (222212122021), we get a palindrome (1424424244241).

The spelling of 1202212122220 in words is "one trillion, two hundred two billion, two hundred twelve million, one hundred twenty-two thousand, two hundred twenty".