1200121023331 has 8 divisors (see below), whose sum is σ = 1204593412544. Its totient is φ = 1195648957440.

The previous prime is 1200121023281. The next prime is 1200121023341. The reversal of 1200121023331 is 1333201210021.

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 1200121023331 - 2¹⁷ = 1200120892259 is a prime.

It is a super-2 number, since 2×1200121023331² (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 = 1200121023299 and 1200121023308.

It is not an unprimeable number, because it can be changed into a prime (1200121023341) 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, 9436195 + ... + 9562531.

It is an arithmetic number, because the mean of its divisors is an integer number (150574176568).

Almost surely, 2^{1200121023331} is an apocalyptic number.

1200121023331 is a deficient number, since it is larger than the sum of its proper divisors (4472389213).

1200121023331 is a wasteful number, since it uses less digits than its factorization.

1200121023331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161661.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1200121023331 its reverse (1333201210021), we get a palindrome (2533322233352).

The spelling of 1200121023331 in words is "one trillion, two hundred billion, one hundred twenty-one million, twenty-three thousand, three hundred thirty-one".