21041222214012 has 192 divisors, whose sum is σ = 66572024214528. Its totient is φ = 4994899200000.

The previous prime is 21041222214011. The next prime is 21041222214043.

21041222214012 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×21041222214012² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21041222214011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7458489 + ... + 9884912.

It is an arithmetic number, because the mean of its divisors is an integer number (346729292784).

Almost surely, 2^{21041222214012} is an apocalyptic number.

21041222214012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21041222214012 is an abundant number, since it is smaller than the sum of its proper divisors (45530802000516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21041222214012 is a wasteful number, since it uses less digits than its factorization.

21041222214012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17343540 (or 17343538 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

It can be divided in two parts, 2104122 and 2214012, that added together give a palindrome (4318134).

The spelling of 21041222214012 in words is "twenty-one trillion, forty-one billion, two hundred twenty-two million, two hundred fourteen thousand, twelve".