1201442210020 has 24 divisors (see below), whose sum is σ = 2717107767864. Its totient is φ = 443609431296.

The previous prime is 1201442209993. The next prime is 1201442210047. The reversal of 1201442210020 is 200122441021.

It is an interprime number because it is at equal distance from previous prime (1201442209993) and next prime (1201442210047).

It can be written as a sum of positive squares in 4 ways, for example, as 63789584356 + 1137652625664 = 252566^2 + 1066608^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1201442210020.

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 7 ways as a sum of consecutive naturals, for example, 2310465529 + ... + 2310466048.

It is an arithmetic number, because the mean of its divisors is an integer number (113212823661).

Almost surely, 2^{1201442210020} is an apocalyptic number.

1201442210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201442210020 is an abundant number, since it is smaller than the sum of its proper divisors (1515665557844).

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

1201442210020 is a wasteful number, since it uses less digits than its factorization.

1201442210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4620931599 (or 4620931597 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1201442210020 its reverse (200122441021), we get a palindrome (1401564651041).

The spelling of 1201442210020 in words is "one trillion, two hundred one billion, four hundred forty-two million, two hundred ten thousand, twenty".