101201200000 has 96 divisors (see below), whose sum is σ = 251999574120. Its totient is φ = 40480320000.

The previous prime is 101201199989. The next prime is 101201200007. The reversal of 101201200000 is 2102101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101201200007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 273499 + ... + 526501.

Almost surely, 2^101201200000 is an apocalyptic number.

101201200000 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 101201200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125999787060).

101201200000 is an abundant number, since it is smaller than the sum of its proper divisors (150798374120).

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

101201200000 is an frugal number, since it uses more digits than its factorization.

101201200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253042 (or 253010 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 101201200000 its reverse (2102101), we get a palindrome (101203302101).

The spelling of 101201200000 in words is "one hundred one billion, two hundred one million, two hundred thousand".