1213012102 has 8 divisors (see below), whose sum is σ = 1819699056. Its totient is φ = 606445752.

The previous prime is 1213012091. The next prime is 1213012103. The reversal of 1213012102 is 2012103121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213012103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1743 + ... + 49285.

It is an arithmetic number, because the mean of its divisors is an integer number (227462382).

Almost surely, 2^1213012102 is an apocalyptic number.

1213012102 is a deficient number, since it is larger than the sum of its proper divisors (606686954).

1213012102 is a wasteful number, since it uses less digits than its factorization.

1213012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60302.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1213012102 is about 34828.3232728766. The cubic root of 1213012102 is about 1066.4857196752.

Adding to 1213012102 its reverse (2012103121), we get a palindrome (3225115223).

The spelling of 1213012102 in words is "one billion, two hundred thirteen million, twelve thousand, one hundred two".