212345147130 has 144 divisors (see below), whose sum is σ = 532758492000. Its totient is φ = 54165762560.

The previous prime is 212345147117. The next prime is 212345147149. The reversal of 212345147130 is 31741543212.

It is a super-2 number, since 2×212345147130² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212345147091 and 212345147100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 141657121 + ... + 141658619.

It is an arithmetic number, because the mean of its divisors is an integer number (3699711750).

Almost surely, 2^212345147130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212345147130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266379246000).

212345147130 is an abundant number, since it is smaller than the sum of its proper divisors (320413344870).

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

212345147130 is a wasteful number, since it uses less digits than its factorization.

212345147130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697 (or 1603 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 212345147130 in words is "two hundred twelve billion, three hundred forty-five million, one hundred forty-seven thousand, one hundred thirty".