2100432123042 has 64 divisors (see below), whose sum is σ = 4741449436800. Its totient is φ = 614460654080.

The previous prime is 2100432123029. The next prime is 2100432123067. The reversal of 2100432123042 is 2403212340012.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14337628 + ... + 14483384.

It is an arithmetic number, because the mean of its divisors is an integer number (74085147450).

Almost surely, 2^{2100432123042} is an apocalyptic number.

2100432123042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2100432123042 is an abundant number, since it is smaller than the sum of its proper divisors (2641017313758).

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

2100432123042 is a wasteful number, since it uses less digits than its factorization.

2100432123042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153331.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2100432123042 its reverse (2403212340012), we get a palindrome (4503644463054).

The spelling of 2100432123042 in words is "two trillion, one hundred billion, four hundred thirty-two million, one hundred twenty-three thousand, forty-two".