1211465514 has 96 divisors (see below), whose sum is σ = 2920340736. Its totient is φ = 333849600.

The previous prime is 1211465513. The next prime is 1211465527. The reversal of 1211465514 is 4155641121.

1211465514 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1211465514² = 2935297383222568392, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1211465513) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1008114 + ... + 1009314.

It is an arithmetic number, because the mean of its divisors is an integer number (30420216).

Almost surely, 2^1211465514 is an apocalyptic number.

1211465514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1211465514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1460170368).

1211465514 is an abundant number, since it is smaller than the sum of its proper divisors (1708875222).

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

1211465514 is a wasteful number, since it uses less digits than its factorization.

1211465514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340 (or 1333 counting only the distinct ones).

The product of its digits is 4800, while the sum is 30.

The square root of 1211465514 is about 34806.1131699591. The cubic root of 1211465514 is about 1066.0322711866.

The spelling of 1211465514 in words is "one billion, two hundred eleven million, four hundred sixty-five thousand, five hundred fourteen".