1234286109420 has 768 divisors, whose sum is σ = 4694459535360. Its totient is φ = 234852581376.

The previous prime is 1234286109389. The next prime is 1234286109421. The reversal of 1234286109420 is 249016824321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1234286109421) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 368772187 + ... + 368775533.

It is an arithmetic number, because the mean of its divisors is an integer number (6112577520).

Almost surely, 2^{1234286109420} is an apocalyptic number.

1234286109420 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 1234286109420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2347229767680).

1234286109420 is an abundant number, since it is smaller than the sum of its proper divisors (3460173425940).

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

1234286109420 is a wasteful number, since it uses less digits than its factorization.

1234286109420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3562 (or 3560 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 1234286109420 in words is "one trillion, two hundred thirty-four billion, two hundred eighty-six million, one hundred nine thousand, four hundred twenty".