1020223212 has 48 divisors (see below), whose sum is σ = 2416024800. Its totient is φ = 335039488.

The previous prime is 1020223199. The next prime is 1020223223. The reversal of 1020223212 is 2123220201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1020223191 and 1020223200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232414 + ... + 236762.

It is an arithmetic number, because the mean of its divisors is an integer number (50333850).

Almost surely, 2^1020223212 is an apocalyptic number.

1020223212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020223212 is an abundant number, since it is smaller than the sum of its proper divisors (1395801588).

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

1020223212 is a wasteful number, since it uses less digits than its factorization.

1020223212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4642 (or 4640 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1020223212 is about 31940.9331735940. The cubic root of 1020223212 is about 1006.6961323968.

Adding to 1020223212 its reverse (2123220201), we get a palindrome (3143443413).

The spelling of 1020223212 in words is "one billion, twenty million, two hundred twenty-three thousand, two hundred twelve".