1200202100212 has 24 divisors (see below), whose sum is σ = 2119871649672. Its totient is φ = 594529152000.

The previous prime is 1200202100203. The next prime is 1200202100221. The reversal of 1200202100212 is 2120012020021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1200202100203) and next prime (1200202100221).

It can be written as a sum of positive squares in 4 ways, for example, as 104357425936 + 1095844674276 = 323044^2 + 1046826^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1200202100192 and 1200202100201.

It is a congruent number.

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, 448962 + ... + 1613062.

It is an arithmetic number, because the mean of its divisors is an integer number (88327985403).

Almost surely, 2^{1200202100212} is an apocalyptic number.

It is an amenable number.

1200202100212 is a deficient number, since it is larger than the sum of its proper divisors (919669549460).

1200202100212 is a wasteful number, since it uses less digits than its factorization.

1200202100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166499 (or 1166497 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1200202100212 its reverse (2120012020021), we get a palindrome (3320214120233).

The spelling of 1200202100212 in words is "one trillion, two hundred billion, two hundred two million, one hundred thousand, two hundred twelve".