1201132012021 has 8 divisors (see below), whose sum is σ = 1219085223840. Its totient is φ = 1183179561168.

The previous prime is 1201132012019. The next prime is 1201132012043. The reversal of 1201132012021 is 1202102311021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201132012021 - 2¹ = 1201132012019 is a prime.

It is a super-2 number, since 2×1201132012021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201132011986 and 1201132012004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201132012121) 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, 3529650 + ... + 3854956.

It is an arithmetic number, because the mean of its divisors is an integer number (152385652980).

Almost surely, 2^{1201132012021} is an apocalyptic number.

It is an amenable number.

1201132012021 is a deficient number, since it is larger than the sum of its proper divisors (17953211819).

1201132012021 is an equidigital number, since it uses as much as digits as its factorization.

1201132012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380483.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1201132012021 its reverse (1202102311021), we get a palindrome (2403234323042).

Subtracting 1201132012021 from its reverse (1202102311021), we obtain a cube (970299000 = 990³).

The spelling of 1201132012021 in words is "one trillion, two hundred one billion, one hundred thirty-two million, twelve thousand, twenty-one".