1011212097 has 32 divisors (see below), whose sum is σ = 1577398272. Its totient is φ = 564205824.

The previous prime is 1011212093. The next prime is 1011212117. The reversal of 1011212097 is 7902121101.

It is not a de Polignac number, because 1011212097 - 2² = 1011212093 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011212093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 538953 + ... + 540825.

It is an arithmetic number, because the mean of its divisors is an integer number (49293696).

Almost surely, 2^1011212097 is an apocalyptic number.

It is an amenable number.

1011212097 is a deficient number, since it is larger than the sum of its proper divisors (566186175).

1011212097 is a wasteful number, since it uses less digits than its factorization.

1011212097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477.

The product of its (nonzero) digits is 252, while the sum is 24.

The square root of 1011212097 is about 31799.5612705584. The cubic root of 1011212097 is about 1003.7234841248.

Adding to 1011212097 its reverse (7902121101), we get a palindrome (8913333198).

The spelling of 1011212097 in words is "one billion, eleven million, two hundred twelve thousand, ninety-seven".