1001210120012 has 6 divisors (see below), whose sum is σ = 1752117710028. Its totient is φ = 500605060004.

The previous prime is 1001210120003. The next prime is 1001210120039. The reversal of 1001210120012 is 2100210121001.

It is a junction number, because it is equal to n+sod(n) for n = 1001210119975 and 1001210120002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125151264998 + ... + 125151265005.

It is an arithmetic number, because the mean of its divisors is an integer number (292019618338).

Almost surely, 2^{1001210120012} is an apocalyptic number.

It is an amenable number.

1001210120012 is a deficient number, since it is larger than the sum of its proper divisors (750907590016).

1001210120012 is a wasteful number, since it uses less digits than its factorization.

1001210120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250302530007 (or 250302530005 counting only the distinct ones).

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

Adding to 1001210120012 its reverse (2100210121001), we get a palindrome (3101420241013).

The spelling of 1001210120012 in words is "one trillion, one billion, two hundred ten million, one hundred twenty thousand, twelve".