1201212472 has 8 divisors (see below), whose sum is σ = 2252273400. Its totient is φ = 600606232.

The previous prime is 1201212431. The next prime is 1201212479. The reversal of 1201212472 is 2742121021.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1201212472² = 2885822805776701568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201212479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75075772 + ... + 75075787.

It is an arithmetic number, because the mean of its divisors is an integer number (281534175).

Almost surely, 2^1201212472 is an apocalyptic number.

It is an amenable number.

1201212472 is a deficient number, since it is larger than the sum of its proper divisors (1051060928).

1201212472 is a wasteful number, since it uses less digits than its factorization.

1201212472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150151565 (or 150151561 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 1201212472 is about 34658.5122588954. The cubic root of 1201212472 is about 1063.0163497546.

Adding to 1201212472 its reverse (2742121021), we get a palindrome (3943333493).

The spelling of 1201212472 in words is "one billion, two hundred one million, two hundred twelve thousand, four hundred seventy-two".