303212001138 has 32 divisors (see below), whose sum is σ = 612519005376. Its totient is φ = 100059660288.

The previous prime is 303212001137. The next prime is 303212001167. The reversal of 303212001138 is 831100212303.

It is a super-2 number, since 2×303212001138² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (303212001137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351831 + ... + 854522.

It is an arithmetic number, because the mean of its divisors is an integer number (19141218918).

Almost surely, 2^303212001138 is an apocalyptic number.

303212001138 is an abundant number, since it is smaller than the sum of its proper divisors (309307004238).

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

303212001138 is a wasteful number, since it uses less digits than its factorization.

303212001138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206778.

The product of its (nonzero) digits is 864, while the sum is 24.

The spelling of 303212001138 in words is "three hundred three billion, two hundred twelve million, one thousand, one hundred thirty-eight".