21442103034012 has 36 divisors (see below), whose sum is σ = 54214808880960. Its totient is φ = 7145529789312.

The previous prime is 21442103033957. The next prime is 21442103034071. The reversal of 21442103034012 is 21043030124412.

21442103034012 is a `hidden beast` number, since 2 + 1 + 44 + 210 + 3 + 0 + 3 + 401 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×21442103034012² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76436748 + ... + 76716755.

It is an arithmetic number, because the mean of its divisors is an integer number (1505966913360).

Almost surely, 2^{21442103034012} is an apocalyptic number.

It is an amenable number.

21442103034012 is an abundant number, since it is smaller than the sum of its proper divisors (32772705846948).

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

21442103034012 is a wasteful number, since it uses less digits than its factorization.

21442103034012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153157402 (or 153157397 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 21442103034012 its reverse (21043030124412), we get a palindrome (42485133158424).

The spelling of 21442103034012 in words is "twenty-one trillion, four hundred forty-two billion, one hundred three million, thirty-four thousand, twelve".