1020010011012 has 48 divisors (see below), whose sum is σ = 2652047776000. Its totient is φ = 339029102880.

The previous prime is 1020010010963. The next prime is 1020010011023. The reversal of 1020010011012 is 2101100100201.

It is a happy number.

It is a super-2 number, since 2×1020010011012² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1020010010985 and 1020010011003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13493164 + ... + 13568547.

Almost surely, 2^{1020010011012} is an apocalyptic number.

1020010011012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020010011012 is an abundant number, since it is smaller than the sum of its proper divisors (1632037764988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020010011012 is a wasteful number, since it uses less digits than its factorization.

1020010011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27062073 (or 27062065 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1020010011012 its reverse (2101100100201), we get a palindrome (3121110111213).

The spelling of 1020010011012 in words is "one trillion, twenty billion, ten million, eleven thousand, twelve".