12434613021040 has 80 divisors (see below), whose sum is σ = 33533685706752. Its totient is φ = 4199664598272.

The previous prime is 12434613021029. The next prime is 12434613021059. The reversal of 12434613021040 is 4012031643421.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 12434613020993 and 12434613021011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165668944 + ... + 165743983.

Almost surely, 2^{12434613021040} is an apocalyptic number.

12434613021040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12434613021040 is an abundant number, since it is smaller than the sum of its proper divisors (21099072685712).

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

12434613021040 is a wasteful number, since it uses less digits than its factorization.

12434613021040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331413014 (or 331413008 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 12434613021040 its reverse (4012031643421), we get a palindrome (16446644664461).

The spelling of 12434613021040 in words is "twelve trillion, four hundred thirty-four billion, six hundred thirteen million, twenty-one thousand, forty".