1225001221462 has 32 divisors (see below), whose sum is σ = 1953262602720. Its totient is φ = 574558871040.

The previous prime is 1225001221459. The next prime is 1225001221469. The reversal of 1225001221462 is 2641221005221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1225001221462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225001221469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4209012 + ... + 4490632.

It is an arithmetic number, because the mean of its divisors is an integer number (61039456335).

Almost surely, 2^{1225001221462} is an apocalyptic number.

1225001221462 is a deficient number, since it is larger than the sum of its proper divisors (728261381258).

1225001221462 is a wasteful number, since it uses less digits than its factorization.

1225001221462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282768.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 1225001221462 its reverse (2641221005221), we get a palindrome (3866222226683).

The spelling of 1225001221462 in words is "one trillion, two hundred twenty-five billion, one million, two hundred twenty-one thousand, four hundred sixty-two".