1212142332430 has 16 divisors (see below), whose sum is σ = 2181902865120. Its totient is φ = 484846562592.

The previous prime is 1212142332389. The next prime is 1212142332437. The reversal of 1212142332430 is 342332412121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212142332437) 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, 796194 + ... + 1748773.

It is an arithmetic number, because the mean of its divisors is an integer number (136368929070).

Almost surely, 2^{1212142332430} is an apocalyptic number.

1212142332430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212142332430 is a deficient number, since it is larger than the sum of its proper divisors (969760532690).

1212142332430 is a wasteful number, since it uses less digits than its factorization.

1212142332430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2592603.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1212142332430 its reverse (342332412121), we get a palindrome (1554474744551).

The spelling of 1212142332430 in words is "one trillion, two hundred twelve billion, one hundred forty-two million, three hundred thirty-two thousand, four hundred thirty".