1200332212123 has 32 divisors (see below), whose sum is σ = 1332023616000. Its totient is φ = 1072549766400.

The previous prime is 1200332212087. The next prime is 1200332212147. The reversal of 1200332212123 is 3212122330021.

It is a cyclic number.

It is not a de Polignac number, because 1200332212123 - 2¹⁷ = 1200332081051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200332212094 and 1200332212103.

It is not an unprimeable number, because it can be changed into a prime (1200332212223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181892778 + ... + 181899376.

It is an arithmetic number, because the mean of its divisors is an integer number (41625738000).

Almost surely, 2^{1200332212123} is an apocalyptic number.

1200332212123 is a deficient number, since it is larger than the sum of its proper divisors (131691403877).

1200332212123 is a wasteful number, since it uses less digits than its factorization.

1200332212123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7683.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1200332212123 its reverse (3212122330021), we get a palindrome (4412454542144).

The spelling of 1200332212123 in words is "one trillion, two hundred billion, three hundred thirty-two million, two hundred twelve thousand, one hundred twenty-three".