2123421043130 has 64 divisors (see below), whose sum is σ = 4094330232960. Its totient is φ = 790528045824.

The previous prime is 2123421043057. The next prime is 2123421043153. The reversal of 2123421043130 is 313401243212.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2123421043130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4524692 + ... + 4971888.

It is an arithmetic number, because the mean of its divisors is an integer number (63973909890).

Almost surely, 2^{2123421043130} is an apocalyptic number.

2123421043130 is a deficient number, since it is larger than the sum of its proper divisors (1970909189830).

2123421043130 is a wasteful number, since it uses less digits than its factorization.

2123421043130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447663.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 2123421043130 its reverse (313401243212), we get a palindrome (2436822286342).

The spelling of 2123421043130 in words is "two trillion, one hundred twenty-three billion, four hundred twenty-one million, forty-three thousand, one hundred thirty".