103203012212 has 6 divisors (see below), whose sum is σ = 180605271378. Its totient is φ = 51601506104.

The previous prime is 103203012179. The next prime is 103203012229. The reversal of 103203012212 is 212210302301.

It can be written as a sum of positive squares in only one way, i.e., 102684357136 + 518655076 = 320444^2 + 22774^2 .

It is a super-2 number, since 2×103203012212² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12900376523 + ... + 12900376530.

It is an arithmetic number, because the mean of its divisors is an integer number (30100878563).

Almost surely, 2^103203012212 is an apocalyptic number.

It is an amenable number.

103203012212 is a deficient number, since it is larger than the sum of its proper divisors (77402259166).

103203012212 is a wasteful number, since it uses less digits than its factorization.

103203012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25800753057 (or 25800753055 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 103203012212 its reverse (212210302301), we get a palindrome (315413314513).

The spelling of 103203012212 in words is "one hundred three billion, two hundred three million, twelve thousand, two hundred twelve".