1012400213 has 16 divisors (see below), whose sum is σ = 1137402816. Its totient is φ = 893168640.

The previous prime is 1012400209. The next prime is 1012400227. The reversal of 1012400213 is 3120042101.

It is a cyclic number.

It is not a de Polignac number, because 1012400213 - 2² = 1012400209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012400203) 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 15 ways as a sum of consecutive naturals, for example, 67445 + ... + 81077.

It is an arithmetic number, because the mean of its divisors is an integer number (71087676).

Almost surely, 2^1012400213 is an apocalyptic number.

It is an amenable number.

1012400213 is a deficient number, since it is larger than the sum of its proper divisors (125002603).

1012400213 is a wasteful number, since it uses less digits than its factorization.

1012400213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13844.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1012400213 is about 31818.2371133286. The cubic root of 1012400213 is about 1004.1164360366.

Adding to 1012400213 its reverse (3120042101), we get a palindrome (4132442314).

The spelling of 1012400213 in words is "one billion, twelve million, four hundred thousand, two hundred thirteen".