1201323203010 has 96 divisors (see below), whose sum is σ = 3569865736320. Its totient is φ = 274571265024.

The previous prime is 1201323202993. The next prime is 1201323203011. The reversal of 1201323203010 is 103023231021.

1201323203010 is a `hidden beast` number, since 1 + 20 + 1 + 323 + 20 + 301 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1201323203011) 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, 12229149 + ... + 12326991.

It is an arithmetic number, because the mean of its divisors is an integer number (37186101420).

Almost surely, 2^{1201323203010} is an apocalyptic number.

1201323203010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201323203010 is an abundant number, since it is smaller than the sum of its proper divisors (2368542533310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201323203010 is a wasteful number, since it uses less digits than its factorization.

1201323203010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117352 (or 117349 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1201323203010 its reverse (103023231021), we get a palindrome (1304346434031).

The spelling of 1201323203010 in words is "one trillion, two hundred one billion, three hundred twenty-three million, two hundred three thousand, ten".