1210223120 has 40 divisors (see below), whose sum is σ = 2849400960. Its totient is φ = 477959040.

The previous prime is 1210223011. The next prime is 1210223129. The reversal of 1210223120 is 213220121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1210223095 and 1210223104.

It is not an unprimeable number, because it can be changed into a prime (1210223129) 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, 89426 + ... + 102065.

It is an arithmetic number, because the mean of its divisors is an integer number (71235024).

Almost surely, 2^1210223120 is an apocalyptic number.

1210223120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210223120 is an abundant number, since it is smaller than the sum of its proper divisors (1639177840).

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

1210223120 is a wasteful number, since it uses less digits than its factorization.

1210223120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191583 (or 191577 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1210223120 is about 34788.2612385270. The cubic root of 1210223120 is about 1065.6677305844.

Adding to 1210223120 its reverse (213220121), we get a palindrome (1423443241).

Subtracting from 1210223120 its reverse (213220121), we obtain a cube (997002999 = 999³).

The spelling of 1210223120 in words is "one billion, two hundred ten million, two hundred twenty-three thousand, one hundred twenty".