1201011233232 has 40 divisors (see below), whose sum is σ = 3107437645984. Its totient is φ = 399714459264.

The previous prime is 1201011233231. The next prime is 1201011233239. The reversal of 1201011233232 is 2323321101021.

It is a junction number, because it is equal to n+sod(n) for n = 1201011233199 and 1201011233208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201011233231) 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, 19425643 + ... + 19487370.

Almost surely, 2^{1201011233232} is an apocalyptic number.

1201011233232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201011233232 is an abundant number, since it is smaller than the sum of its proper divisors (1906426412752).

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

1201011233232 is a wasteful number, since it uses less digits than its factorization.

1201011233232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38913667 (or 38913661 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1201011233232 its reverse (2323321101021), we get a palindrome (3524332334253).

The spelling of 1201011233232 in words is "one trillion, two hundred one billion, eleven million, two hundred thirty-three thousand, two hundred thirty-two".