12402221213040 has 160 divisors (see below), whose sum is σ = 39488953545216. Its totient is φ = 3217632168960.

The previous prime is 12402221212993. The next prime is 12402221213069. The reversal of 12402221213040 is 4031212220421.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 12402221213040.

It is a congruent number.

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, 139113919 + ... + 139203041.

Almost surely, 2^{12402221213040} is an apocalyptic number.

12402221213040 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 12402221213040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19744476772608).

12402221213040 is an abundant number, since it is smaller than the sum of its proper divisors (27086732332176).

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

12402221213040 is a wasteful number, since it uses less digits than its factorization.

12402221213040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104847 (or 104841 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 12402221213040 its reverse (4031212220421), we get a palindrome (16433433433461).

The spelling of 12402221213040 in words is "twelve trillion, four hundred two billion, two hundred twenty-one million, two hundred thirteen thousand, forty".