1211010200012 has 18 divisors (see below), whose sum is σ = 2236678813908. Its totient is φ = 573636409848.

The previous prime is 1211010200011. The next prime is 1211010200017. The reversal of 1211010200012 is 2100020101121.

It is a junction number, because it is equal to n+sod(n) for n = 1211010199966 and 1211010200002.

It is not an unprimeable number, because it can be changed into a prime (1211010200011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 419323418 + ... + 419326305.

It is an arithmetic number, because the mean of its divisors is an integer number (124259934106).

Almost surely, 2^{1211010200012} is an apocalyptic number.

It is an amenable number.

1211010200012 is a deficient number, since it is larger than the sum of its proper divisors (1025668613896).

1211010200012 is a wasteful number, since it uses less digits than its factorization.

1211010200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838649765 (or 838649744 counting only the distinct ones).

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

Adding to 1211010200012 its reverse (2100020101121), we get a palindrome (3311030301133).

The spelling of 1211010200012 in words is "one trillion, two hundred eleven billion, ten million, two hundred thousand, twelve".