1212032201120 has 144 divisors (see below), whose sum is σ = 3254533165800. Its totient is φ = 423965657088.

The previous prime is 1212032201113. The next prime is 1212032201201. The reversal of 1212032201120 is 211022302121.

It can be written as a sum of positive squares in 4 ways, for example, as 1062210564496 + 149821636624 = 1030636^2 + 387068^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56195 + ... + 1557954.

Almost surely, 2^{1212032201120} is an apocalyptic number.

1212032201120 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 1212032201120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1627266582900).

1212032201120 is an abundant number, since it is smaller than the sum of its proper divisors (2042500964680).

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

1212032201120 is a wasteful number, since it uses less digits than its factorization.

1212032201120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614215 (or 1614188 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1212032201120 its reverse (211022302121), we get a palindrome (1423054503241).

The spelling of 1212032201120 in words is "one trillion, two hundred twelve billion, thirty-two million, two hundred one thousand, one hundred twenty".