1204231210040 has 16 divisors (see below), whose sum is σ = 2709520222680. Its totient is φ = 481692484000.

The previous prime is 1204231210037. The next prime is 1204231210093. The reversal of 1204231210040 is 400121324021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1204231209994 and 1204231210021.

It is a congruent number.

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, 15052890086 + ... + 15052890165.

Almost surely, 2^{1204231210040} is an apocalyptic number.

1204231210040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204231210040 is an abundant number, since it is smaller than the sum of its proper divisors (1505289012640).

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

1204231210040 is a wasteful number, since it uses less digits than its factorization.

1204231210040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30105780262 (or 30105780258 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1204231210040 its reverse (400121324021), we get a palindrome (1604352534061).

The spelling of 1204231210040 in words is "one trillion, two hundred four billion, two hundred thirty-one million, two hundred ten thousand, forty".