103211220021212 has 24 divisors (see below), whose sum is σ = 180739346336640. Its totient is φ = 51571417311680.

The previous prime is 103211220021191. The next prime is 103211220021241. The reversal of 103211220021212 is 212120022112301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37992614 + ... + 40618482.

It is an arithmetic number, because the mean of its divisors is an integer number (7530806097360).

Almost surely, 2^{103211220021212} is an apocalyptic number.

It is an amenable number.

103211220021212 is a deficient number, since it is larger than the sum of its proper divisors (77528126315428).

103211220021212 is a wasteful number, since it uses less digits than its factorization.

103211220021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2632381 (or 2632379 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 103211220021212 its reverse (212120022112301), we get a palindrome (315331242133513).

The spelling of 103211220021212 in words is "one hundred three trillion, two hundred eleven billion, two hundred twenty million, twenty-one thousand, two hundred twelve".