1212510055 has 8 divisors (see below), whose sum is σ = 1476729072. Its totient is φ = 955530048.

The previous prime is 1212510053. The next prime is 1212510083. The reversal of 1212510055 is 5500152121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1212510055 - 2¹ = 1212510053 is a prime.

It is a super-2 number, since 2×1212510055² = 2940361266952206050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212510053) 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, 1809382 + ... + 1810051.

It is an arithmetic number, because the mean of its divisors is an integer number (184591134).

Almost surely, 2^1212510055 is an apocalyptic number.

1212510055 is a deficient number, since it is larger than the sum of its proper divisors (264219017).

1212510055 is an equidigital number, since it uses as much as digits as its factorization.

1212510055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3619505.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 1212510055 is about 34821.1150740467. The cubic root of 1212510055 is about 1066.3385653749.

Adding to 1212510055 its reverse (5500152121), we get a palindrome (6712662176).

The spelling of 1212510055 in words is "one billion, two hundred twelve million, five hundred ten thousand, fifty-five".