1201210023000 has 256 divisors, whose sum is σ = 4039850505600. Its totient is φ = 295405209600.

The previous prime is 1201210022953. The next prime is 1201210023007. The reversal of 1201210023000 is 3200121021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201210023007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43237114 + ... + 43264886.

Almost surely, 2^{1201210023000} is an apocalyptic number.

1201210023000 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 1201210023000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2019925252800).

1201210023000 is an abundant number, since it is smaller than the sum of its proper divisors (2838640482600).

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

1201210023000 is a wasteful number, since it uses less digits than its factorization.

1201210023000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28919 (or 28905 counting only the distinct ones).

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

Adding to 1201210023000 its reverse (3200121021), we get a palindrome (1204410144021).

The spelling of 1201210023000 in words is "one trillion, two hundred one billion, two hundred ten million, twenty-three thousand".