213551135033412 has 96 divisors (see below), whose sum is σ = 544218162808320. Its totient is φ = 64637066245120.

The previous prime is 213551135033407. The next prime is 213551135033479. The reversal of 213551135033412 is 214330531155312.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1499301343 + ... + 1499443769.

It is an arithmetic number, because the mean of its divisors is an integer number (5668939195920).

Almost surely, 2^{213551135033412} is an apocalyptic number.

213551135033412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213551135033412 is an abundant number, since it is smaller than the sum of its proper divisors (330667027774908).

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

213551135033412 is a wasteful number, since it uses less digits than its factorization.

213551135033412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155601 (or 155599 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

Adding to 213551135033412 its reverse (214330531155312), we get a palindrome (427881666188724).

The spelling of 213551135033412 in words is "two hundred thirteen trillion, five hundred fifty-one billion, one hundred thirty-five million, thirty-three thousand, four hundred twelve".