1220020302212 has 12 divisors (see below), whose sum is σ = 2139230101260. Its totient is φ = 608811701856.

The previous prime is 1220020302211. The next prime is 1220020302229. The reversal of 1220020302212 is 2122030200221.

It can be written as a sum of positive squares in 2 ways, for example, as 668185265476 + 551835036736 = 817426^2 + 742856^2 .

It is a super-3 number, since 3×1220020302212³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1220020302211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299610023 + ... + 299614094.

It is an arithmetic number, because the mean of its divisors is an integer number (178269175105).

Almost surely, 2^{1220020302212} is an apocalyptic number.

It is an amenable number.

1220020302212 is a deficient number, since it is larger than the sum of its proper divisors (919209799048).

1220020302212 is a wasteful number, since it uses less digits than its factorization.

1220020302212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599224630 (or 599224628 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 1220020302212 its reverse (2122030200221), we get a palindrome (3342050502433).

The spelling of 1220020302212 in words is "one trillion, two hundred twenty billion, twenty million, three hundred two thousand, two hundred twelve".