10023223212 has 18 divisors (see below), whose sum is σ = 25336480988. Its totient is φ = 3341074392.

The previous prime is 10023223187. The next prime is 10023223237. The reversal of 10023223212 is 21232232001.

It is an interprime number because it is at equal distance from previous prime (10023223187) and next prime (10023223237).

It is a tau number, because it is divible by the number of its divisors (18).

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139211398 + ... + 139211469.

Almost surely, 2^10023223212 is an apocalyptic number.

10023223212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10023223212 is an abundant number, since it is smaller than the sum of its proper divisors (15313257776).

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

10023223212 is a wasteful number, since it uses less digits than its factorization.

10023223212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278422877 (or 278422872 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 10023223212 its reverse (21232232001), we get a palindrome (31255455213).

The spelling of 10023223212 in words is "ten billion, twenty-three million, two hundred twenty-three thousand, two hundred twelve".