103212135562 has 4 divisors (see below), whose sum is σ = 154818203346. Its totient is φ = 51606067780.

The previous prime is 103212135539. The next prime is 103212135571. The reversal of 103212135562 is 265531212301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 95722790881 + 7489344681 = 309391^2 + 86541^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25803033889 + ... + 25803033892.

Almost surely, 2^103212135562 is an apocalyptic number.

103212135562 is a deficient number, since it is larger than the sum of its proper divisors (51606067784).

103212135562 is an equidigital number, since it uses as much as digits as its factorization.

103212135562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51606067783.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 103212135562 its reverse (265531212301), we get a palindrome (368743347863).

The spelling of 103212135562 in words is "one hundred three billion, two hundred twelve million, one hundred thirty-five thousand, five hundred sixty-two".