1200010201212 has 24 divisors (see below), whose sum is σ = 2800044035712. Its totient is φ = 400000510000.

The previous prime is 1200010201207. The next prime is 1200010201259. The reversal of 1200010201212 is 2121020100021.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 1970587 + ... + 2506637.

It is an arithmetic number, because the mean of its divisors is an integer number (116668501488).

Almost surely, 2^{1200010201212} is an apocalyptic number.

1200010201212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1200010201212 is an abundant number, since it is smaller than the sum of its proper divisors (1600033834500).

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

1200010201212 is a wasteful number, since it uses less digits than its factorization.

1200010201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722609 (or 722607 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1200010201212 its reverse (2121020100021), we get a palindrome (3321030301233).

The spelling of 1200010201212 in words is "one trillion, two hundred billion, ten million, two hundred one thousand, two hundred twelve".