213122132980 has 24 divisors (see below), whose sum is σ = 447705246240. Its totient is φ = 85220516640.

The previous prime is 213122132963. The next prime is 213122132981. The reversal of 213122132980 is 89231221312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213122132981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1709310 + ... + 1829749.

It is an arithmetic number, because the mean of its divisors is an integer number (18654385260).

Almost surely, 2^213122132980 is an apocalyptic number.

213122132980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213122132980 is an abundant number, since it is smaller than the sum of its proper divisors (234583113260).

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

213122132980 is a wasteful number, since it uses less digits than its factorization.

213122132980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3542079 (or 3542077 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 213122132980 in words is "two hundred thirteen billion, one hundred twenty-two million, one hundred thirty-two thousand, nine hundred eighty".