1212544402230 has 32 divisors (see below), whose sum is σ = 3325836075264. Its totient is φ = 277153006176.

The previous prime is 1212544402193. The next prime is 1212544402241. The reversal of 1212544402230 is 322044452121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2887010272 + ... + 2887010691.

It is an arithmetic number, because the mean of its divisors is an integer number (103932377352).

Almost surely, 2^{1212544402230} is an apocalyptic number.

1212544402230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212544402230 is an abundant number, since it is smaller than the sum of its proper divisors (2113291673034).

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

1212544402230 is a wasteful number, since it uses less digits than its factorization.

1212544402230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5774020980.

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

Adding to 1212544402230 its reverse (322044452121), we get a palindrome (1534588854351).

The spelling of 1212544402230 in words is "one trillion, two hundred twelve billion, five hundred forty-four million, four hundred two thousand, two hundred thirty".