1138470212 has 24 divisors (see below), whose sum is σ = 2301294240. Its totient is φ = 487045760.

The previous prime is 1138470209. The next prime is 1138470217. The reversal of 1138470212 is 2120748311.

It is a super-2 number, since 2×1138470212² = 2592228847222649888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1138470217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760262 + ... + 761757.

It is an arithmetic number, because the mean of its divisors is an integer number (95887260).

Almost surely, 2^1138470212 is an apocalyptic number.

It is an amenable number.

1138470212 is an abundant number, since it is smaller than the sum of its proper divisors (1162824028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1138470212 is a wasteful number, since it uses less digits than its factorization.

1138470212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522051 (or 1522049 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 1138470212 is about 33741.2242220107. The cubic root of 1138470212 is about 1044.1764417024.

The spelling of 1138470212 in words is "one billion, one hundred thirty-eight million, four hundred seventy thousand, two hundred twelve".