1225036820010 has 32 divisors (see below), whose sum is σ = 2977304682240. Its totient is φ = 322541339328.

The previous prime is 1225036819891. The next prime is 1225036820027. The reversal of 1225036820010 is 100286305221.

It is a super-3 number, since 3×1225036820010³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 1225036820010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258444217 + ... + 258448956.

It is an arithmetic number, because the mean of its divisors is an integer number (93040771320).

Almost surely, 2^{1225036820010} is an apocalyptic number.

1225036820010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225036820010 is an abundant number, since it is smaller than the sum of its proper divisors (1752267862230).

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

1225036820010 is a wasteful number, since it uses less digits than its factorization.

1225036820010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516893262.

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 1225036820010 in words is "one trillion, two hundred twenty-five billion, thirty-six million, eight hundred twenty thousand, ten".