21142012035130 has 48 divisors (see below), whose sum is σ = 45696809719296. Its totient is φ = 7014861131040.

The previous prime is 21142012035119. The next prime is 21142012035167. The reversal of 21142012035130 is 3153021024112.

It is a junction number, because it is equal to n+sod(n) for n = 21142012035095 and 21142012035104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 695903574 + ... + 695933953.

It is an arithmetic number, because the mean of its divisors is an integer number (952016869152).

Almost surely, 2^{21142012035130} is an apocalyptic number.

21142012035130 is an abundant number, since it is smaller than the sum of its proper divisors (24554797684166).

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

21142012035130 is a wasteful number, since it uses less digits than its factorization.

21142012035130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391837579 (or 1391837572 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 21142012035130 its reverse (3153021024112), we get a palindrome (24295033059242).

The spelling of 21142012035130 in words is "twenty-one trillion, one hundred forty-two billion, twelve million, thirty-five thousand, one hundred thirty".