1201023010000 has 300 divisors, whose sum is σ = 3240194833876. Its totient is φ = 430721280000.

The previous prime is 1201023009947. The next prime is 1201023010021. The reversal of 1201023010000 is 103201021.

It can be written as a sum of positive squares in 10 ways, for example, as 1099486462096 + 101536547904 = 1048564^2 + 318648^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 88323202 + ... + 88336798.

Almost surely, 2^{1201023010000} is an apocalyptic number.

1201023010000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201023010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1620097416938).

1201023010000 is an abundant number, since it is smaller than the sum of its proper divisors (2039171823876).

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

1201023010000 is a wasteful number, since it uses less digits than its factorization.

1201023010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13720 (or 13688 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 1201023010000 its reverse (103201021), we get a palindrome (1201126211021).

The spelling of 1201023010000 in words is "one trillion, two hundred one billion, twenty-three million, ten thousand".