1000120002123 has 48 divisors (see below), whose sum is σ = 1497736348416. Its totient is φ = 593032440000.

The previous prime is 1000120002097. The next prime is 1000120002127. The reversal of 1000120002123 is 3212000210001.

It is not a de Polignac number, because 1000120002123 - 2⁶ = 1000120002059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000120002099 and 1000120002108.

It is not an unprimeable number, because it can be changed into a prime (1000120002127) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3228153 + ... + 3524373.

It is an arithmetic number, because the mean of its divisors is an integer number (31202840592).

Almost surely, 2^{1000120002123} is an apocalyptic number.

1000120002123 is a deficient number, since it is larger than the sum of its proper divisors (497616346293).

1000120002123 is a wasteful number, since it uses less digits than its factorization.

1000120002123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296448 (or 296437 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1000120002123 its reverse (3212000210001), we get a palindrome (4212120212124).

The spelling of 1000120002123 in words is "one trillion, one hundred twenty million, two thousand, one hundred twenty-three".