212021003030 has 24 divisors (see below), whose sum is σ = 395251535952. Its totient is φ = 81883970336.

The previous prime is 212021003011. The next prime is 212021003039. The reversal of 212021003030 is 30300120212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212021002996 and 212021003014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021003039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12596882 + ... + 12613701.

It is an arithmetic number, because the mean of its divisors is an integer number (16468813998).

Almost surely, 2^212021003030 is an apocalyptic number.

212021003030 is a deficient number, since it is larger than the sum of its proper divisors (183230532922).

212021003030 is a wasteful number, since it uses less digits than its factorization.

212021003030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25210648 (or 25210619 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 212021003030 its reverse (30300120212), we get a palindrome (242321123242).

The spelling of 212021003030 in words is "two hundred twelve billion, twenty-one million, three thousand, thirty".