1242054212 has 24 divisors (see below), whose sum is σ = 2485010304. Its totient is φ = 532115712.

The previous prime is 1242054197. The next prime is 1242054217. The reversal of 1242054212 is 2124502421.

It is a super-4 number, since 4×1242054212⁴ (a number of 37 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1242054217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92468 + ... + 105044.

It is an arithmetic number, because the mean of its divisors is an integer number (103542096).

Almost surely, 2^1242054212 is an apocalyptic number.

It is an amenable number.

1242054212 is an abundant number, since it is smaller than the sum of its proper divisors (1242956092).

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

1242054212 is a wasteful number, since it uses less digits than its factorization.

1242054212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16115 (or 16113 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1242054212 is about 35242.7895036701. The cubic root of 1242054212 is about 1074.9300007062.

Adding to 1242054212 its reverse (2124502421), we get a palindrome (3366556633).

The spelling of 1242054212 in words is "one billion, two hundred forty-two million, fifty-four thousand, two hundred twelve".