12021200332381 has 2 divisors, whose sum is σ = 12021200332382. Its totient is φ = 12021200332380.

The previous prime is 12021200332367. The next prime is 12021200332399. The reversal of 12021200332381 is 18323300212021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7263785009881 + 4757415322500 = 2695141^2 + 2181150^2 .

It is a cyclic number.

It is not a de Polignac number, because 12021200332381 - 2¹¹ = 12021200330333 is a prime.

It is a super-2 number, since 2×12021200332381² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12021200332081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010600166190 + 6010600166191.

It is an arithmetic number, because the mean of its divisors is an integer number (6010600166191).

Almost surely, 2^{12021200332381} is an apocalyptic number.

It is an amenable number.

12021200332381 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021200332381 is an equidigital number, since it uses as much as digits as its factorization.

12021200332381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 12021200332381 in words is "twelve trillion, twenty-one billion, two hundred million, three hundred thirty-two thousand, three hundred eighty-one".