212103023132 has 192 divisors, whose sum is σ = 505686924288. Its totient is φ = 75168000000.

The previous prime is 212103023129. The next prime is 212103023141. The reversal of 212103023132 is 231320301212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 94225007 + ... + 94227257.

It is an arithmetic number, because the mean of its divisors is an integer number (2633786064).

Almost surely, 2^212103023132 is an apocalyptic number.

212103023132 is a gapful number since it is divisible by the number (22) 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 212103023132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252843462144).

212103023132 is an abundant number, since it is smaller than the sum of its proper divisors (293583901156).

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

212103023132 is a wasteful number, since it uses less digits than its factorization.

212103023132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620 (or 2618 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 212103023132 its reverse (231320301212), we get a palindrome (443423324344).

The spelling of 212103023132 in words is "two hundred twelve billion, one hundred three million, twenty-three thousand, one hundred thirty-two".