1213553055030 has 64 divisors (see below), whose sum is σ = 3022586055360. Its totient is φ = 311456710656.

The previous prime is 1213553054977. The next prime is 1213553055031. The reversal of 1213553055030 is 305503553121.

It is a happy number.

It is a super-2 number, since 2×1213553055030² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1213553054982 and 1213553055000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213553055031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1955947 + ... + 2500566.

It is an arithmetic number, because the mean of its divisors is an integer number (47227907115).

Almost surely, 2^{1213553055030} is an apocalyptic number.

1213553055030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213553055030 is an abundant number, since it is smaller than the sum of its proper divisors (1809033000330).

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

1213553055030 is a wasteful number, since it uses less digits than its factorization.

1213553055030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4456865.

The product of its (nonzero) digits is 33750, while the sum is 33.

The spelling of 1213553055030 in words is "one trillion, two hundred thirteen billion, five hundred fifty-three million, fifty-five thousand, thirty".