1012001201212 has 12 divisors (see below), whose sum is σ = 1771009236360. Its totient is φ = 505998562256.

The previous prime is 1012001201203. The next prime is 1012001201227. The reversal of 1012001201212 is 2121021002101.

It is a junction number, because it is equal to n+sod(n) for n = 1012001201192 and 1012001201201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1415778 + ... + 2007094.

It is an arithmetic number, because the mean of its divisors is an integer number (147584103030).

Almost surely, 2^{1012001201212} is an apocalyptic number.

It is an amenable number.

1012001201212 is a deficient number, since it is larger than the sum of its proper divisors (759008035148).

1012001201212 is a wasteful number, since it uses less digits than its factorization.

1012001201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019180 (or 1019178 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1012001201212 its reverse (2121021002101), we get a palindrome (3133022203313).

The spelling of 1012001201212 in words is "one trillion, twelve billion, one million, two hundred one thousand, two hundred twelve".