1010012001020 has 36 divisors (see below), whose sum is σ = 2331374814552. Its totient is φ = 367277090400.

The previous prime is 1010012001001. The next prime is 1010012001121. The reversal of 1010012001020 is 201002100101.

1010012001020 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 = 1010012000989 and 1010012001007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208677746 + ... + 208682585.

Almost surely, 2^{1010012001020} is an apocalyptic number.

1010012001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010012001020 is an abundant number, since it is smaller than the sum of its proper divisors (1321362813532).

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

1010012001020 is a wasteful number, since it uses less digits than its factorization.

1010012001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417360362 (or 417360349 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1010012001020 its reverse (201002100101), we get a palindrome (1211014101121).

The spelling of 1010012001020 in words is "one trillion, ten billion, twelve million, one thousand, twenty".