1223211430254 has 96 divisors (see below), whose sum is σ = 2796982594560. Its totient is φ = 355973904000.

The previous prime is 1223211430253. The next prime is 1223211430313. The reversal of 1223211430254 is 4520341123221.

It is a happy number.

It is a super-3 number, since 3×1223211430254³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223211430253) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2740842 + ... + 3155730.

It is an arithmetic number, because the mean of its divisors is an integer number (29135235360).

Almost surely, 2^{1223211430254} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1223211430254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1398491297280).

1223211430254 is an abundant number, since it is smaller than the sum of its proper divisors (1573771164306).

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

1223211430254 is a wasteful number, since it uses less digits than its factorization.

1223211430254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415078 (or 415067 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 1223211430254 its reverse (4520341123221), we get a palindrome (5743552553475).

The spelling of 1223211430254 in words is "one trillion, two hundred twenty-three billion, two hundred eleven million, four hundred thirty thousand, two hundred fifty-four".