1201426212 has 24 divisors (see below), whose sum is σ = 3203803456. Its totient is φ = 343264608.

The previous prime is 1201426153. The next prime is 1201426243. The reversal of 1201426212 is 2126241021.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 7151263 + ... + 7151430.

Almost surely, 2^1201426212 is an apocalyptic number.

1201426212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201426212 is an abundant number, since it is smaller than the sum of its proper divisors (2002377244).

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

1201426212 is a wasteful number, since it uses less digits than its factorization.

1201426212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14302707 (or 14302705 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1201426212 is about 34661.5956355157. The cubic root of 1201426212 is about 1063.0793959530.

Adding to 1201426212 its reverse (2126241021), we get a palindrome (3327667233).

It can be divided in two parts, 12014 and 26212, that added together give a triangular number (38226 = T₂₇₆).

The spelling of 1201426212 in words is "one billion, two hundred one million, four hundred twenty-six thousand, two hundred twelve".