1213296471040 has 352 divisors, whose sum is σ = 3160893947904. Its totient is φ = 445535354880.

The previous prime is 1213296471011. The next prime is 1213296471103. The reversal of 1213296471040 is 401746923121.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 1213296470984 and 1213296471002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 463619812 + ... + 463622428.

It is an arithmetic number, because the mean of its divisors is an integer number (8979812352).

Almost surely, 2^{1213296471040} is an apocalyptic number.

1213296471040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1213296471040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1580446973952).

1213296471040 is an abundant number, since it is smaller than the sum of its proper divisors (1947597476864).

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

1213296471040 is a wasteful number, since it uses less digits than its factorization.

1213296471040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2823 (or 2805 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 1213296471040 in words is "one trillion, two hundred thirteen billion, two hundred ninety-six million, four hundred seventy-one thousand, forty".