1201032201020 has 12 divisors (see below), whose sum is σ = 2522167622184. Its totient is φ = 480412880400.

The previous prime is 1201032201011. The next prime is 1201032201023. The reversal of 1201032201020 is 201022301021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1201032200986 and 1201032201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201032201023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30025805006 + ... + 30025805045.

It is an arithmetic number, because the mean of its divisors is an integer number (210180635182).

Almost surely, 2^{1201032201020} is an apocalyptic number.

1201032201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201032201020 is an abundant number, since it is smaller than the sum of its proper divisors (1321135421164).

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

1201032201020 is a wasteful number, since it uses less digits than its factorization.

1201032201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60051610060 (or 60051610058 counting only the distinct ones).

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

Adding to 1201032201020 its reverse (201022301021), we get a palindrome (1402054502041).

The spelling of 1201032201020 in words is "one trillion, two hundred one billion, thirty-two million, two hundred one thousand, twenty".