1202010012020 has 24 divisors (see below), whose sum is σ = 2528595782664. Its totient is φ = 479970717696.

The previous prime is 1202010012013. The next prime is 1202010012023. The reversal of 1202010012020 is 202100102021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 143654644324 + 1058355367696 = 379018^2 + 1028764^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1202010011992 and 1202010012010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202010012023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52068617 + ... + 52091696.

It is an arithmetic number, because the mean of its divisors is an integer number (105358157611).

Almost surely, 2^{1202010012020} is an apocalyptic number.

1202010012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202010012020 is an abundant number, since it is smaller than the sum of its proper divisors (1326585770644).

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

1202010012020 is a wasteful number, since it uses less digits than its factorization.

1202010012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104160899 (or 104160897 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1202010012020 its reverse (202100102021), we get a palindrome (1404110114041).

Subtracting from 1202010012020 its reverse (202100102021), we obtain a palindrome (999909909999).

The spelling of 1202010012020 in words is "one trillion, two hundred two billion, ten million, twelve thousand, twenty".