12021021023001 has 8 divisors (see below), whose sum is σ = 16028502746880. Its totient is φ = 8013776657232.

The previous prime is 12021021022991. The next prime is 12021021023107. The reversal of 12021021023001 is 10032012012021.

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

It is not a de Polignac number, because 12021021023001 - 2³¹ = 12018873539353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12021021823001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59221321 + ... + 59423958.

It is an arithmetic number, because the mean of its divisors is an integer number (2003562843360).

Almost surely, 2^{12021021023001} is an apocalyptic number.

It is an amenable number.

12021021023001 is a deficient number, since it is larger than the sum of its proper divisors (4007481723879).

12021021023001 is a wasteful number, since it uses less digits than its factorization.

12021021023001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118679055.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12021021023001 its reverse (10032012012021), we get a palindrome (22053033035022).

The spelling of 12021021023001 in words is "twelve trillion, twenty-one billion, twenty-one million, twenty-three thousand, one".