1002111020012 has 12 divisors (see below), whose sum is σ = 1770720443856. Its totient is φ = 496190893200.

The previous prime is 1002111020011. The next prime is 1002111020017. The reversal of 1002111020012 is 2100201112001.

It is a junction number, because it is equal to n+sod(n) for n = 1002111019975 and 1002111020002.

It is not an unprimeable number, because it can be changed into a prime (1002111020011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1216153739 + ... + 1216154562.

It is an arithmetic number, because the mean of its divisors is an integer number (147560036988).

Almost surely, 2^{1002111020012} is an apocalyptic number.

It is an amenable number.

1002111020012 is a deficient number, since it is larger than the sum of its proper divisors (768609423844).

1002111020012 is a wasteful number, since it uses less digits than its factorization.

1002111020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432308408 (or 2432308406 counting only the distinct ones).

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

Adding to 1002111020012 its reverse (2100201112001), we get a palindrome (3102312132013).

The spelling of 1002111020012 in words is "one trillion, two billion, one hundred eleven million, twenty thousand, twelve".