1235421211332 has 96 divisors (see below), whose sum is σ = 3605290859520. Its totient is φ = 319876283520.

The previous prime is 1235421211327. The next prime is 1235421211333. The reversal of 1235421211332 is 2331121245321.

It is a self number, because there is not a number n which added to its sum of digits gives 1235421211332.

It is not an unprimeable number, because it can be changed into a prime (1235421211333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1815982 + ... + 2401797.

It is an arithmetic number, because the mean of its divisors is an integer number (37555113120).

Almost surely, 2^{1235421211332} is an apocalyptic number.

1235421211332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1235421211332 is an abundant number, since it is smaller than the sum of its proper divisors (2369869648188).

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

1235421211332 is a wasteful number, since it uses less digits than its factorization.

1235421211332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4218121 (or 4218119 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

Adding to 1235421211332 its reverse (2331121245321), we get a palindrome (3566542456653).

The spelling of 1235421211332 in words is "one trillion, two hundred thirty-five billion, four hundred twenty-one million, two hundred eleven thousand, three hundred thirty-two".