1210013202020 has 36 divisors (see below), whose sum is σ = 2955889395900. Its totient is φ = 414861668928.

The previous prime is 1210013202007. The next prime is 1210013202053. The reversal of 1210013202020 is 202023100121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 123098529316 + 1086914672704 = 350854^2 + 1042552^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1210013201986 and 1210013202004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 617352695 + ... + 617354654.

It is an arithmetic number, because the mean of its divisors is an integer number (82108038775).

Almost surely, 2^{1210013202020} is an apocalyptic number.

1210013202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210013202020 is an abundant number, since it is smaller than the sum of its proper divisors (1745876193880).

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

1210013202020 is a wasteful number, since it uses less digits than its factorization.

1210013202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234707372 (or 1234707363 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1210013202020 its reverse (202023100121), we get a palindrome (1412036302141).

The spelling of 1210013202020 in words is "one trillion, two hundred ten billion, thirteen million, two hundred two thousand, twenty".