1400212100 has 36 divisors (see below), whose sum is σ = 3472527744. Its totient is φ = 480072480.

The previous prime is 1400212097. The next prime is 1400212103. The reversal of 1400212100 is 12120041.

It is an interprime number because it is at equal distance from previous prime (1400212097) and next prime (1400212103).

It is not an unprimeable number, because it can be changed into a prime (1400212103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 999452 + ... + 1000851.

It is an arithmetic number, because the mean of its divisors is an integer number (96459104).

Almost surely, 2^1400212100 is an apocalyptic number.

1400212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400212100 is an abundant number, since it is smaller than the sum of its proper divisors (2072315644).

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

1400212100 is a wasteful number, since it uses less digits than its factorization.

1400212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000324 (or 2000317 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1400212100 is about 37419.4080658687. The cubic root of 1400212100 is about 1118.7454330203.

Adding to 1400212100 its reverse (12120041), we get a palindrome (1412332141).

The spelling of 1400212100 in words is "one billion, four hundred million, two hundred twelve thousand, one hundred".