2120405422502 has 8 divisors (see below), whose sum is σ = 3181422224856. Its totient is φ = 1059931347552.

The previous prime is 2120405422451. The next prime is 2120405422511. The reversal of 2120405422502 is 2052245040212.

It is a happy number.

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

It is a super-2 number, since 2×2120405422502² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135672083 + ... + 135687710.

It is an arithmetic number, because the mean of its divisors is an integer number (397677778107).

Almost surely, 2^{2120405422502} is an apocalyptic number.

2120405422502 is a deficient number, since it is larger than the sum of its proper divisors (1061016802354).

2120405422502 is a wasteful number, since it uses less digits than its factorization.

2120405422502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271363702.

The product of its (nonzero) digits is 12800, while the sum is 29.

The spelling of 2120405422502 in words is "two trillion, one hundred twenty billion, four hundred five million, four hundred twenty-two thousand, five hundred two".