212321001030 has 16 divisors (see below), whose sum is σ = 509570402544. Its totient is φ = 56618933600.

The previous prime is 212321001023. The next prime is 212321001043. The reversal of 212321001030 is 30100123212.

It is a super-2 number, since 2×212321001030² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3538683321 + ... + 3538683380.

It is an arithmetic number, because the mean of its divisors is an integer number (31848150159).

Almost surely, 2^212321001030 is an apocalyptic number.

212321001030 is an abundant number, since it is smaller than the sum of its proper divisors (297249401514).

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

212321001030 is a wasteful number, since it uses less digits than its factorization.

212321001030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7077366711.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 212321001030 its reverse (30100123212), we get a palindrome (242421124242).

The spelling of 212321001030 in words is "two hundred twelve billion, three hundred twenty-one million, one thousand, thirty".