1230454140402 has 16 divisors (see below), whose sum is σ = 2461205986560. Its totient is φ = 410101762512.

The previous prime is 1230454140401. The next prime is 1230454140413. The reversal of 1230454140402 is 2040414540321.

It is a self number, because there is not a number n which added to its sum of digits gives 1230454140402.

It is not an unprimeable number, because it can be changed into a prime (1230454140401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12350658 + ... + 12449885.

It is an arithmetic number, because the mean of its divisors is an integer number (153825374160).

Almost surely, 2^{1230454140402} is an apocalyptic number.

1230454140402 is an abundant number, since it is smaller than the sum of its proper divisors (1230751846158).

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

1230454140402 is a wasteful number, since it uses less digits than its factorization.

1230454140402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24808817.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 1230454140402 its reverse (2040414540321), we get a palindrome (3270868680723).

The spelling of 1230454140402 in words is "one trillion, two hundred thirty billion, four hundred fifty-four million, one hundred forty thousand, four hundred two".