120203400424430 has 16 divisors (see below), whose sum is σ = 217945435516560. Its totient is φ = 47730401335872.

The previous prime is 120203400424397. The next prime is 120203400424469. The reversal of 120203400424430 is 34424004302021.

It is a junction number, because it is equal to n+sod(n) for n = 120203400424393 and 120203400424402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43869852800 + ... + 43869855539.

It is an arithmetic number, because the mean of its divisors is an integer number (13621589719785).

Almost surely, 2^{120203400424430} is an apocalyptic number.

120203400424430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120203400424430 is a deficient number, since it is larger than the sum of its proper divisors (97742035092130).

120203400424430 is a wasteful number, since it uses less digits than its factorization.

120203400424430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87739708483.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 120203400424430 its reverse (34424004302021), we get a palindrome (154627404726451).

The spelling of 120203400424430 in words is "one hundred twenty trillion, two hundred three billion, four hundred million, four hundred twenty-four thousand, four hundred thirty".