4312121700 has 288 divisors, whose sum is σ = 13551132672. Its totient is φ = 1056384000.

The previous prime is 4312121683. The next prime is 4312121777. The reversal of 4312121700 is 71212134.

It is a super-2 number, since 2×4312121700² = 37188787111221780000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16395769 + ... + 16396031.

It is an arithmetic number, because the mean of its divisors is an integer number (47052544).

Almost surely, 2^4312121700 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 4312121700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6775566336).

4312121700 is an abundant number, since it is smaller than the sum of its proper divisors (9239010972).

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

4312121700 is a wasteful number, since it uses less digits than its factorization.

4312121700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 4312121700 is about 65666.7472926747. The cubic root of 4312121700 is about 1627.6599213784.

Adding to 4312121700 its reverse (71212134), we get a palindrome (4383333834).

The spelling of 4312121700 in words is "four billion, three hundred twelve million, one hundred twenty-one thousand, seven hundred".