1212010100012 has 24 divisors (see below), whose sum is σ = 2157049245120. Its totient is φ = 595711098000.

The previous prime is 1212010099957. The next prime is 1212010100027. The reversal of 1212010100012 is 2100010102121.

It is a junction number, because it is equal to n+sod(n) for n = 1212010099966 and 1212010100002.

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, 7296887 + ... + 7461137.

It is an arithmetic number, because the mean of its divisors is an integer number (89877051880).

Almost surely, 2^{1212010100012} is an apocalyptic number.

It is an amenable number.

1212010100012 is a deficient number, since it is larger than the sum of its proper divisors (945039145108).

1212010100012 is a wasteful number, since it uses less digits than its factorization.

1212010100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195581 (or 195579 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1212010100012 its reverse (2100010102121), we get a palindrome (3312020202133).

The spelling of 1212010100012 in words is "one trillion, two hundred twelve billion, ten million, one hundred thousand, twelve".