1011002120012 has 12 divisors (see below), whose sum is σ = 1769744240880. Its totient is φ = 505360908336.

The previous prime is 1011002119979. The next prime is 1011002120017. The reversal of 1011002120012 is 2100212001101.

1011002120012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1011002119975 and 1011002120002.

It is not an unprimeable number, because it can be changed into a prime (1011002120017) 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, 35021687 + ... + 35050542.

It is an arithmetic number, because the mean of its divisors is an integer number (147478686740).

Almost surely, 2^{1011002120012} is an apocalyptic number.

It is an amenable number.

1011002120012 is a deficient number, since it is larger than the sum of its proper divisors (758742120868).

1011002120012 is a wasteful number, since it uses less digits than its factorization.

1011002120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70075840 (or 70075838 counting only the distinct ones).

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

Adding to 1011002120012 its reverse (2100212001101), we get a palindrome (3111214121113).

The spelling of 1011002120012 in words is "one trillion, eleven billion, two million, one hundred twenty thousand, twelve".