1155700212 has 48 divisors (see below), whose sum is σ = 2798218752. Its totient is φ = 370851840.

The previous prime is 1155700177. The next prime is 1155700253. The reversal of 1155700212 is 2120075511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63748 + ... + 79844.

It is an arithmetic number, because the mean of its divisors is an integer number (58296224).

Almost surely, 2^1155700212 is an apocalyptic number.

1155700212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1155700212 is an abundant number, since it is smaller than the sum of its proper divisors (1642518540).

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

1155700212 is a wasteful number, since it uses less digits than its factorization.

1155700212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16328 (or 16326 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 1155700212 is about 33995.5910670781. The cubic root of 1155700212 is about 1049.4177306815.

Adding to 1155700212 its reverse (2120075511), we get a palindrome (3275775723).

The spelling of 1155700212 in words is "one billion, one hundred fifty-five million, seven hundred thousand, two hundred twelve".