1201010203123 has 8 divisors (see below), whose sum is σ = 1202757098400. Its totient is φ = 1199264114880.

The previous prime is 1201010203111. The next prime is 1201010203139. The reversal of 1201010203123 is 3213020101021.

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

It is a cyclic number.

It is not a de Polignac number, because 1201010203123 - 2³³ = 1192420268531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201010203097 and 1201010203106.

It is not an unprimeable number, because it can be changed into a prime (1201010203193) 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, 2809353 + ... + 3208501.

It is an arithmetic number, because the mean of its divisors is an integer number (150344637300).

Almost surely, 2^{1201010203123} is an apocalyptic number.

1201010203123 is a deficient number, since it is larger than the sum of its proper divisors (1746895277).

1201010203123 is an equidigital number, since it uses as much as digits as its factorization.

1201010203123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403517.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1201010203123 its reverse (3213020101021), we get a palindrome (4414030304144).

The spelling of 1201010203123 in words is "one trillion, two hundred one billion, ten million, two hundred three thousand, one hundred twenty-three".