2120103312435 has 128 divisors (see below), whose sum is σ = 4203852134400. Its totient is φ = 1007471001600.

The previous prime is 2120103312419. The next prime is 2120103312463. The reversal of 2120103312435 is 5342133010212.

2120103312435 is a `hidden beast` number, since 2 + 120 + 103 + 3 + 1 + 2 + 435 = 666.

It is not a de Polignac number, because 2120103312435 - 2⁴ = 2120103312419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2120103312399 and 2120103312408.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 63079635 + ... + 63113235.

It is an arithmetic number, because the mean of its divisors is an integer number (32842594800).

Almost surely, 2^{2120103312435} is an apocalyptic number.

2120103312435 is a deficient number, since it is larger than the sum of its proper divisors (2083748821965).

2120103312435 is a wasteful number, since it uses less digits than its factorization.

2120103312435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35098 (or 35092 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 2120103312435 its reverse (5342133010212), we get a palindrome (7462236322647).

The spelling of 2120103312435 in words is "two trillion, one hundred twenty billion, one hundred three million, three hundred twelve thousand, four hundred thirty-five".