103212121302 has 24 divisors (see below), whose sum is σ = 223902717480. Its totient is φ = 34361508960.

The previous prime is 103212121289. The next prime is 103212121319. The reversal of 103212121302 is 203121212301.

103212121302 is a `hidden beast` number, since 1 + 0 + 321 + 21 + 21 + 302 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3529324 + ... + 3558447.

It is an arithmetic number, because the mean of its divisors is an integer number (9329279895).

Almost surely, 2^103212121302 is an apocalyptic number.

103212121302 is an abundant number, since it is smaller than the sum of its proper divisors (120690596178).

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

103212121302 is a wasteful number, since it uses less digits than its factorization.

103212121302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7088588 (or 7088585 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 103212121302 its reverse (203121212301), we get a palindrome (306333333603).

Subtracting 103212121302 from its reverse (203121212301), we obtain a palindrome (99909090999).

The spelling of 103212121302 in words is "one hundred three billion, two hundred twelve million, one hundred twenty-one thousand, three hundred two".