1210002331123 has 8 divisors (see below), whose sum is σ = 1273715942400. Its totient is φ = 1146291647688.

The previous prime is 1210002331099. The next prime is 1210002331157. The reversal of 1210002331123 is 3211332000121.

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

It is not a de Polignac number, because 1210002331123 - 2¹³ = 1210002322931 is a prime.

It is a super-2 number, since 2×1210002331123² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1210002331123.

It is not an unprimeable number, because it can be changed into a prime (1210002331163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143190 + ... + 1562212.

It is an arithmetic number, because the mean of its divisors is an integer number (159214492800).

Almost surely, 2^{1210002331123} is an apocalyptic number.

1210002331123 is a deficient number, since it is larger than the sum of its proper divisors (63713611277).

1210002331123 is a wasteful number, since it uses less digits than its factorization.

1210002331123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463921.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1210002331123 its reverse (3211332000121), we get a palindrome (4421334331244).

The spelling of 1210002331123 in words is "one trillion, two hundred ten billion, two million, three hundred thirty-one thousand, one hundred twenty-three".