1211400232 has 32 divisors (see below), whose sum is σ = 2598696000. Its totient is φ = 518603904.

The previous prime is 1211400193. The next prime is 1211400251. The reversal of 1211400232 is 2320041121.

It is a super-3 number, since 3×1211400232³ (a number of 28 digits) contains 333 as substring.

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, 42019 + ... + 64717.

It is an arithmetic number, because the mean of its divisors is an integer number (81209250).

Almost surely, 2^1211400232 is an apocalyptic number.

It is an amenable number.

1211400232 is an abundant number, since it is smaller than the sum of its proper divisors (1387295768).

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

1211400232 is a wasteful number, since it uses less digits than its factorization.

1211400232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23665 (or 23661 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1211400232 is about 34805.1753622935. The cubic root of 1211400232 is about 1066.0131224866.

Adding to 1211400232 its reverse (2320041121), we get a palindrome (3531441353).

The spelling of 1211400232 in words is "one billion, two hundred eleven million, four hundred thousand, two hundred thirty-two".