2130209712 has 80 divisors (see below), whose sum is σ = 6159293280. Its totient is φ = 704867328.

The previous prime is 2130209687. The next prime is 2130209713. The reversal of 2130209712 is 2179020312.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2130209713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41188 + ... + 77180.

It is an arithmetic number, because the mean of its divisors is an integer number (76991166).

Almost surely, 2^2130209712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2130209712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3079646640).

2130209712 is an abundant number, since it is smaller than the sum of its proper divisors (4029083568).

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

2130209712 is a wasteful number, since it uses less digits than its factorization.

2130209712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36147 (or 36135 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 2130209712 is about 46154.1949556051. The cubic root of 2130209712 is about 1286.6905760663.

The spelling of 2130209712 in words is "two billion, one hundred thirty million, two hundred nine thousand, seven hundred twelve".