1020020101012 has 96 divisors (see below), whose sum is σ = 2052591528960. Its totient is φ = 439006571520.

The previous prime is 1020020101003. The next prime is 1020020101033. The reversal of 1020020101012 is 2101010200201.

It is a self number, because there is not a number n which added to its sum of digits gives 1020020101012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48801348 + ... + 48822244.

It is an arithmetic number, because the mean of its divisors is an integer number (21381161760).

Almost surely, 2^{1020020101012} is an apocalyptic number.

It is an amenable number.

1020020101012 is an abundant number, since it is smaller than the sum of its proper divisors (1032571427948).

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

1020020101012 is a wasteful number, since it uses less digits than its factorization.

1020020101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21421 (or 21419 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1020020101012 its reverse (2101010200201), we get a palindrome (3121030301213).

The spelling of 1020020101012 in words is "one trillion, twenty billion, twenty million, one hundred one thousand, twelve".