4212121302 has 48 divisors (see below), whose sum is σ = 9175729680. Its totient is φ = 1396454400.

The previous prime is 4212121283. The next prime is 4212121313. The reversal of 4212121302 is 2031212124.

It is a happy number.

4212121302 is a `hidden beast` number, since 421 + 212 + 1 + 30 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4533574 + ... + 4534502.

It is an arithmetic number, because the mean of its divisors is an integer number (191161035).

Almost surely, 2^4212121302 is an apocalyptic number.

4212121302 is an abundant number, since it is smaller than the sum of its proper divisors (4963608378).

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

4212121302 is a wasteful number, since it uses less digits than its factorization.

4212121302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029 (or 2026 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 4212121302 is about 64900.8574827791. The cubic root of 4212121302 is about 1614.9792866696.

Adding to 4212121302 its reverse (2031212124), we get a palindrome (6243333426).

The spelling of 4212121302 in words is "four billion, two hundred twelve million, one hundred twenty-one thousand, three hundred two".