2124636451242 has 32 divisors (see below), whose sum is σ = 4483543456320. Its totient is φ = 669344135040.

The previous prime is 2124636451241. The next prime is 2124636451283. The reversal of 2124636451242 is 2421546364212.

It is a junction number, because it is equal to n+sod(n) for n = 2124636451194 and 2124636451203.

It is not an unprimeable number, because it can be changed into a prime (2124636451241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22086403 + ... + 22182390.

It is an arithmetic number, because the mean of its divisors is an integer number (140110733010).

Almost surely, 2^{2124636451242} is an apocalyptic number.

2124636451242 is an abundant number, since it is smaller than the sum of its proper divisors (2358907005078).

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

2124636451242 is a wasteful number, since it uses less digits than its factorization.

2124636451242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44269238.

The product of its digits is 552960, while the sum is 42.

The spelling of 2124636451242 in words is "two trillion, one hundred twenty-four billion, six hundred thirty-six million, four hundred fifty-one thousand, two hundred forty-two".