212123002 has 16 divisors (see below), whose sum is σ = 391612032. Its totient is φ = 83916720.

The previous prime is 212122993. The next prime is 212123003. The reversal of 212123002 is 200321212.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (212123003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582574 + ... + 582937.

It is an arithmetic number, because the mean of its divisors is an integer number (24475752).

Almost surely, 2^212123002 is an apocalyptic number.

212123002 is a deficient number, since it is larger than the sum of its proper divisors (179489030).

212123002 is a wasteful number, since it uses less digits than its factorization.

212123002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165533.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 212123002 is about 14564.4430720848. The cubic root of 212123002 is about 596.3884923400.

Adding to 212123002 its reverse (200321212), we get a palindrome (412444214).

The spelling of 212123002 in words is "two hundred twelve million, one hundred twenty-three thousand, two".