1212001000010 has 16 divisors (see below), whose sum is σ = 2183204764872. Its totient is φ = 484444185600.

The previous prime is 1212000999983. The next prime is 1212001000079. The reversal of 1212001000010 is 100001002121.

It can be written as a sum of positive squares in 4 ways, for example, as 348084660169 + 863916339841 = 589987^2 + 929471^2 .

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, 44512511 + ... + 44539730.

Almost surely, 2^{1212001000010} is an apocalyptic number.

1212001000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212001000010 is a deficient number, since it is larger than the sum of its proper divisors (971203764862).

1212001000010 is a wasteful number, since it uses less digits than its factorization.

1212001000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89053609.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1212001000010 its reverse (100001002121), we get a palindrome (1312002002131).

The spelling of 1212001000010 in words is "one trillion, two hundred twelve billion, one million, ten", and thus it is an aban number.