21201012000007 has 8 divisors (see below), whose sum is σ = 24570991775232. Its totient is φ = 17916348168600.

The previous prime is 21201011999969. The next prime is 21201012000011. The reversal of 21201012000007 is 70000021010212.

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

It is not a de Polignac number, because 21201012000007 - 2⁷ = 21201011999879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21201012000067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21328985419 + ... + 21328986412.

It is an arithmetic number, because the mean of its divisors is an integer number (3071373971904).

Almost surely, 2^{21201012000007} is an apocalyptic number.

21201012000007 is a deficient number, since it is larger than the sum of its proper divisors (3369979775225).

21201012000007 is an equidigital number, since it uses as much as digits as its factorization.

21201012000007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42657971909.

The product of its (nonzero) digits is 56, while the sum is 16.

Adding to 21201012000007 its reverse (70000021010212), we get a palindrome (91201033010219).

The spelling of 21201012000007 in words is "twenty-one trillion, two hundred one billion, twelve million, seven", and thus it is an aban number.