1213023020200 has 24 divisors (see below), whose sum is σ = 2820278522430. Its totient is φ = 485209208000.

The previous prime is 1213023020191. The next prime is 1213023020221. The reversal of 1213023020200 is 20203203121.

It can be written as a sum of positive squares in 3 ways, for example, as 644998521924 + 568024498276 = 803118^2 + 753674^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3032557351 + ... + 3032557750.

Almost surely, 2^{1213023020200} is an apocalyptic number.

1213023020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213023020200 is an abundant number, since it is smaller than the sum of its proper divisors (1607255502230).

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

1213023020200 is a wasteful number, since it uses less digits than its factorization.

1213023020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6065115117 (or 6065115108 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1213023020200 its reverse (20203203121), we get a palindrome (1233226223321).

The spelling of 1213023020200 in words is "one trillion, two hundred thirteen billion, twenty-three million, twenty thousand, two hundred".