1020212220212 has 12 divisors (see below), whose sum is σ = 1790429097156. Its totient is φ = 508661049600.

The previous prime is 1020212220211. The next prime is 1020212220217. The reversal of 1020212220212 is 2120222120201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 477818267536 + 542393952676 = 691244^2 + 736474^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020212220211) 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, 361263539 + ... + 361266362.

It is an arithmetic number, because the mean of its divisors is an integer number (149202424763).

Almost surely, 2^{1020212220212} is an apocalyptic number.

It is an amenable number.

1020212220212 is a deficient number, since it is larger than the sum of its proper divisors (770216876944).

1020212220212 is a wasteful number, since it uses less digits than its factorization.

1020212220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722530258 (or 722530256 counting only the distinct ones).

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

Adding to 1020212220212 its reverse (2120222120201), we get a palindrome (3140434340413).

The spelling of 1020212220212 in words is "one trillion, twenty billion, two hundred twelve million, two hundred twenty thousand, two hundred twelve".