1212220053 has 16 divisors (see below), whose sum is σ = 1959144000. Its totient is φ = 734678640.

The previous prime is 1212220033. The next prime is 1212220073. The reversal of 1212220053 is 3500222121.

It is an interprime number because it is at equal distance from previous prime (1212220033) and next prime (1212220073).

It is not a de Polignac number, because 1212220053 - 2⁶ = 1212219989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212220033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2040478 + ... + 2041071.

It is an arithmetic number, because the mean of its divisors is an integer number (122446500).

Almost surely, 2^1212220053 is an apocalyptic number.

It is an amenable number.

1212220053 is a deficient number, since it is larger than the sum of its proper divisors (746923947).

1212220053 is a wasteful number, since it uses less digits than its factorization.

1212220053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4081569 (or 4081563 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1212220053 is about 34816.9506562536. The cubic root of 1212220053 is about 1066.2535447813.

Adding to 1212220053 its reverse (3500222121), we get a palindrome (4712442174).

The spelling of 1212220053 in words is "one billion, two hundred twelve million, two hundred twenty thousand, fifty-three".