1243204134032 has 40 divisors (see below), whose sum is σ = 2897693851200. Its totient is φ = 504759572352.

The previous prime is 1243204133981. The next prime is 1243204134037. The reversal of 1243204134032 is 2304314023421.

It is a junction number, because it is equal to n+sod(n) for n = 1243204133986 and 1243204134004.

It is not an unprimeable number, because it can be changed into a prime (1243204134037) 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, 292104107 + ... + 292108362.

It is an arithmetic number, because the mean of its divisors is an integer number (72442346280).

Almost surely, 2^{1243204134032} is an apocalyptic number.

It is an amenable number.

1243204134032 is an abundant number, since it is smaller than the sum of its proper divisors (1654489717168).

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

1243204134032 is a wasteful number, since it uses less digits than its factorization.

1243204134032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584212503 (or 584212497 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 1243204134032 its reverse (2304314023421), we get a palindrome (3547518157453).

The spelling of 1243204134032 in words is "one trillion, two hundred forty-three billion, two hundred four million, one hundred thirty-four thousand, thirty-two".