1202211120 has 160 divisors (see below), whose sum is σ = 4152591360. Its totient is φ = 285214720.

The previous prime is 1202211091. The next prime is 1202211133. The reversal of 1202211120 is 211122021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1202211096 and 1202211105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119236 + ... + 128924.

It is an arithmetic number, because the mean of its divisors is an integer number (25953696).

Almost surely, 2^1202211120 is an apocalyptic number.

1202211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1202211120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2076295680).

1202211120 is an abundant number, since it is smaller than the sum of its proper divisors (2950380240).

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

1202211120 is a wasteful number, since it uses less digits than its factorization.

1202211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9763 (or 9757 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1202211120 is about 34672.9162315488. The cubic root of 1202211120 is about 1063.3108536066.

Adding to 1202211120 its reverse (211122021), we get a palindrome (1413333141).

The spelling of 1202211120 in words is "one billion, two hundred two million, two hundred eleven thousand, one hundred twenty".