1202040421234 has 8 divisors (see below), whose sum is σ = 1804760032428. Its totient is φ = 600453743760.

The previous prime is 1202040421181. The next prime is 1202040421301. The reversal of 1202040421234 is 4321240402021.

It can be written as a sum of positive squares in 2 ways, for example, as 1166177530609 + 35862890625 = 1079897^2 + 189375^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1202040421199 and 1202040421208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283230777 + ... + 283235020.

Almost surely, 2^{1202040421234} is an apocalyptic number.

1202040421234 is a deficient number, since it is larger than the sum of its proper divisors (602719611194).

1202040421234 is a wasteful number, since it uses less digits than its factorization.

1202040421234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566466860.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1202040421234 its reverse (4321240402021), we get a palindrome (5523280823255).

The spelling of 1202040421234 in words is "one trillion, two hundred two billion, forty million, four hundred twenty-one thousand, two hundred thirty-four".