2120643405302 has 8 divisors (see below), whose sum is σ = 3181007785800. Its totient is φ = 1060307476704.

The previous prime is 2120643405299. The next prime is 2120643405323. The reversal of 2120643405302 is 2035043460212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2120643405302² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6925652 + ... + 7225367.

It is an arithmetic number, because the mean of its divisors is an integer number (397625973225).

Almost surely, 2^{2120643405302} is an apocalyptic number.

2120643405302 is a deficient number, since it is larger than the sum of its proper divisors (1060364380498).

2120643405302 is a wasteful number, since it uses less digits than its factorization.

2120643405302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14225950.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 2120643405302 its reverse (2035043460212), we get a palindrome (4155686865514).

The spelling of 2120643405302 in words is "two trillion, one hundred twenty billion, six hundred forty-three million, four hundred five thousand, three hundred two".