1200332330021 has 6 divisors (see below), whose sum is σ = 1319373552966. Its totient is φ = 1091211209000.

The previous prime is 1200332329997. The next prime is 1200332330027.

1200332330021 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 1168971816100 + 31360513921 = 1081190^2 + 177089^2 .

It is not a de Polignac number, because 1200332330021 - 2¹⁰ = 1200332328997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200332329975 and 1200332330002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200332330027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4960050830 + ... + 4960051071.

It is an arithmetic number, because the mean of its divisors is an integer number (219895592161).

Almost surely, 2^{1200332330021} is an apocalyptic number.

1200332330021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1200332330021 is a deficient number, since it is larger than the sum of its proper divisors (119041222945).

1200332330021 is an equidigital number, since it uses as much as digits as its factorization.

1200332330021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9920101923 (or 9920101912 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The spelling of 1200332330021 in words is "one trillion, two hundred billion, three hundred thirty-two million, three hundred thirty thousand, twenty-one".