21040122104012 has 48 divisors (see below), whose sum is σ = 40830768996864. Its totient is φ = 9405808776000.

The previous prime is 21040122104011. The next prime is 21040122104047.

21040122104012 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×21040122104012² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21040122104011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22689587 + ... + 23598677.

It is an arithmetic number, because the mean of its divisors is an integer number (850641020768).

Almost surely, 2^{21040122104012} is an apocalyptic number.

21040122104012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21040122104012 is a deficient number, since it is larger than the sum of its proper divisors (19790646892852).

21040122104012 is a wasteful number, since it uses less digits than its factorization.

21040122104012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917790 (or 917788 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

It can be divided in two parts, 2104012 and 2104012, that added together give a palindrome (4208024).

The spelling of 21040122104012 in words is "twenty-one trillion, forty billion, one hundred twenty-two million, one hundred four thousand, twelve".