21412204142402 has 192 divisors, whose sum is σ = 35829604540800. Its totient is φ = 9586481725440.

The previous prime is 21412204142377. The next prime is 21412204142423. The reversal of 21412204142402 is 20424140221412.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 46853838158 + ... + 46853838614.

It is an arithmetic number, because the mean of its divisors is an integer number (186612523650).

Almost surely, 2^{21412204142402} is an apocalyptic number.

21412204142402 is a deficient number, since it is larger than the sum of its proper divisors (14417400398398).

21412204142402 is a wasteful number, since it uses less digits than its factorization.

21412204142402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 21412204142402 its reverse (20424140221412), we get a palindrome (41836344363814).

The spelling of 21412204142402 in words is "twenty-one trillion, four hundred twelve billion, two hundred four million, one hundred forty-two thousand, four hundred two".